Correlation between copy number variation genes (focal events) and molecular subtypes
Thymoma (Primary solid tumor)
17 October 2014  |  analyses__2014_10_17
Maintainer Information
Citation Information
Maintained by TCGA GDAC Team (Broad Institute/MD Anderson Cancer Center/Harvard Medical School)
Cite as Broad Institute TCGA Genome Data Analysis Center (2014): Correlation between copy number variation genes (focal events) and molecular subtypes. Broad Institute of MIT and Harvard. doi:10.7908/C16H4GCB
Overview
Introduction

This pipeline computes the correlation between significant copy number variation (cnv focal) genes and molecular subtypes.

Summary

Testing the association between copy number variation 12 focal events and 8 molecular subtypes across 123 patients, 28 significant findings detected with P value < 0.05 and Q value < 0.25.

  • del_3p22.2 cnv correlated to 'CN_CNMF',  'METHLYATION_CNMF', and 'MIRSEQ_MATURE_CNMF'.

  • del_6p25.2 cnv correlated to 'CN_CNMF',  'METHLYATION_CNMF',  'MRNASEQ_CNMF',  'MRNASEQ_CHIERARCHICAL',  'MIRSEQ_CNMF', and 'MIRSEQ_MATURE_CNMF'.

  • del_6q21 cnv correlated to 'CN_CNMF',  'METHLYATION_CNMF',  'MRNASEQ_CNMF',  'MRNASEQ_CHIERARCHICAL',  'MIRSEQ_CNMF',  'MIRSEQ_CHIERARCHICAL',  'MIRSEQ_MATURE_CNMF', and 'MIRSEQ_MATURE_CHIERARCHICAL'.

  • del_7q36.3 cnv correlated to 'MRNASEQ_CNMF'.

  • del_9p21.3 cnv correlated to 'MRNASEQ_CNMF',  'MRNASEQ_CHIERARCHICAL', and 'MIRSEQ_CHIERARCHICAL'.

  • del_11q22.1 cnv correlated to 'CN_CNMF',  'METHLYATION_CNMF', and 'MIRSEQ_MATURE_CNMF'.

  • del_19p13.11 cnv correlated to 'MRNASEQ_CNMF' and 'MRNASEQ_CHIERARCHICAL'.

  • del_22q12.1 cnv correlated to 'CN_CNMF'.

  • del_22q13.32 cnv correlated to 'CN_CNMF'.

Results
Overview of the results

Table 1.  Get Full Table Overview of the association between significant copy number variation of 12 focal events and 8 molecular subtypes. Shown in the table are P values (Q values). Thresholded by P value < 0.05 and Q value < 0.25, 28 significant findings detected.

Clinical
Features
CN
CNMF
METHLYATION
CNMF
MRNASEQ
CNMF
MRNASEQ
CHIERARCHICAL
MIRSEQ
CNMF
MIRSEQ
CHIERARCHICAL
MIRSEQ
MATURE
CNMF
MIRSEQ
MATURE
CHIERARCHICAL
nCNV (%) nWild-Type Fisher's exact test Fisher's exact test Fisher's exact test Fisher's exact test Fisher's exact test Fisher's exact test Fisher's exact test Fisher's exact test
del 6q21 20 (16%) 103 1e-05
(0.00096)
1e-05
(0.00096)
1e-05
(0.00096)
1e-05
(0.00096)
4e-05
(0.00332)
0.00015
(0.0115)
1e-05
(0.00096)
5e-05
(0.004)
del 6p25 2 26 (21%) 97 1e-05
(0.00096)
1e-05
(0.00096)
0.00149
(0.106)
6e-05
(0.00474)
0.0011
(0.0792)
0.00666
(0.426)
1e-05
(0.00096)
0.00515
(0.34)
del 3p22 2 14 (11%) 109 4e-05
(0.00332)
1e-05
(0.00096)
0.025
(1.00)
0.013
(0.779)
0.0237
(1.00)
0.065
(1.00)
0.00056
(0.0414)
0.0287
(1.00)
del 9p21 3 11 (9%) 112 0.0155
(0.913)
0.00427
(0.286)
4e-05
(0.00332)
1e-05
(0.00096)
0.56
(1.00)
0.00018
(0.0137)
0.142
(1.00)
0.0164
(0.95)
del 11q22 1 7 (6%) 116 6e-05
(0.00474)
1e-05
(0.00096)
0.0252
(1.00)
0.00847
(0.534)
0.0329
(1.00)
0.114
(1.00)
0.00236
(0.165)
0.0088
(0.546)
del 19p13 11 5 (4%) 118 0.259
(1.00)
0.045
(1.00)
0.00296
(0.204)
0.0004
(0.03)
0.725
(1.00)
0.00528
(0.343)
0.575
(1.00)
0.17
(1.00)
del 7q36 3 3 (2%) 120 0.0608
(1.00)
0.176
(1.00)
0.00101
(0.0737)
0.00412
(0.28)
0.651
(1.00)
0.117
(1.00)
0.104
(1.00)
0.621
(1.00)
del 22q12 1 19 (15%) 104 1e-05
(0.00096)
0.0127
(0.774)
0.0199
(1.00)
0.13
(1.00)
0.248
(1.00)
0.457
(1.00)
0.523
(1.00)
0.428
(1.00)
del 22q13 32 15 (12%) 108 2e-05
(0.00168)
0.0856
(1.00)
0.0676
(1.00)
0.0194
(1.00)
0.209
(1.00)
0.297
(1.00)
0.196
(1.00)
0.899
(1.00)
del 2q37 1 5 (4%) 118 0.258
(1.00)
0.0459
(1.00)
0.67
(1.00)
0.317
(1.00)
1
(1.00)
0.02
(1.00)
1
(1.00)
0.17
(1.00)
del 9q22 33 3 (2%) 120 0.598
(1.00)
0.176
(1.00)
0.0334
(1.00)
0.0325
(1.00)
0.196
(1.00)
0.0657
(1.00)
0.107
(1.00)
0.0596
(1.00)
del 10q26 3 6 (5%) 117 0.627
(1.00)
0.0393
(1.00)
0.0746
(1.00)
0.232
(1.00)
0.737
(1.00)
0.0667
(1.00)
0.858
(1.00)
0.0483
(1.00)
'del_3p22.2' versus 'CN_CNMF'

P value = 4e-05 (Fisher's exact test), Q value = 0.0033

Table S1.  Gene #2: 'del_3p22.2' versus Molecular Subtype #1: 'CN_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3
ALL 65 31 27
DEL PEAK 2(3P22.2) MUTATED 1 10 3
DEL PEAK 2(3P22.2) WILD-TYPE 64 21 24

Figure S1.  Get High-res Image Gene #2: 'del_3p22.2' versus Molecular Subtype #1: 'CN_CNMF'

'del_3p22.2' versus 'METHLYATION_CNMF'

P value = 1e-05 (Fisher's exact test), Q value = 0.00096

Table S2.  Gene #2: 'del_3p22.2' versus Molecular Subtype #2: 'METHLYATION_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3 CLUS_4
ALL 39 36 24 24
DEL PEAK 2(3P22.2) MUTATED 0 3 10 1
DEL PEAK 2(3P22.2) WILD-TYPE 39 33 14 23

Figure S2.  Get High-res Image Gene #2: 'del_3p22.2' versus Molecular Subtype #2: 'METHLYATION_CNMF'

'del_3p22.2' versus 'MIRSEQ_MATURE_CNMF'

P value = 0.00056 (Fisher's exact test), Q value = 0.041

Table S3.  Gene #2: 'del_3p22.2' versus Molecular Subtype #7: 'MIRSEQ_MATURE_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3
ALL 18 59 46
DEL PEAK 2(3P22.2) MUTATED 0 2 12
DEL PEAK 2(3P22.2) WILD-TYPE 18 57 34

Figure S3.  Get High-res Image Gene #2: 'del_3p22.2' versus Molecular Subtype #7: 'MIRSEQ_MATURE_CNMF'

'del_6p25.2' versus 'CN_CNMF'

P value = 1e-05 (Fisher's exact test), Q value = 0.00096

Table S4.  Gene #3: 'del_6p25.2' versus Molecular Subtype #1: 'CN_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3
ALL 65 31 27
DEL PEAK 3(6P25.2) MUTATED 1 20 5
DEL PEAK 3(6P25.2) WILD-TYPE 64 11 22

Figure S4.  Get High-res Image Gene #3: 'del_6p25.2' versus Molecular Subtype #1: 'CN_CNMF'

'del_6p25.2' versus 'METHLYATION_CNMF'

P value = 1e-05 (Fisher's exact test), Q value = 0.00096

Table S5.  Gene #3: 'del_6p25.2' versus Molecular Subtype #2: 'METHLYATION_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3 CLUS_4
ALL 39 36 24 24
DEL PEAK 3(6P25.2) MUTATED 2 6 15 3
DEL PEAK 3(6P25.2) WILD-TYPE 37 30 9 21

Figure S5.  Get High-res Image Gene #3: 'del_6p25.2' versus Molecular Subtype #2: 'METHLYATION_CNMF'

'del_6p25.2' versus 'MRNASEQ_CNMF'

P value = 0.00149 (Fisher's exact test), Q value = 0.11

Table S6.  Gene #3: 'del_6p25.2' versus Molecular Subtype #3: 'MRNASEQ_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3 CLUS_4
ALL 43 30 13 29
DEL PEAK 3(6P25.2) MUTATED 14 4 6 1
DEL PEAK 3(6P25.2) WILD-TYPE 29 26 7 28

Figure S6.  Get High-res Image Gene #3: 'del_6p25.2' versus Molecular Subtype #3: 'MRNASEQ_CNMF'

'del_6p25.2' versus 'MRNASEQ_CHIERARCHICAL'

P value = 6e-05 (Fisher's exact test), Q value = 0.0047

Table S7.  Gene #3: 'del_6p25.2' versus Molecular Subtype #4: 'MRNASEQ_CHIERARCHICAL'

nPatients CLUS_1 CLUS_2 CLUS_3 CLUS_4
ALL 44 41 20 10
DEL PEAK 3(6P25.2) MUTATED 15 4 0 6
DEL PEAK 3(6P25.2) WILD-TYPE 29 37 20 4

Figure S7.  Get High-res Image Gene #3: 'del_6p25.2' versus Molecular Subtype #4: 'MRNASEQ_CHIERARCHICAL'

'del_6p25.2' versus 'MIRSEQ_CNMF'

P value = 0.0011 (Fisher's exact test), Q value = 0.079

Table S8.  Gene #3: 'del_6p25.2' versus Molecular Subtype #5: 'MIRSEQ_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3 CLUS_4 CLUS_5
ALL 58 61 1 2 1
DEL PEAK 3(6P25.2) MUTATED 20 5 0 1 0
DEL PEAK 3(6P25.2) WILD-TYPE 38 56 1 1 1

Figure S8.  Get High-res Image Gene #3: 'del_6p25.2' versus Molecular Subtype #5: 'MIRSEQ_CNMF'

'del_6p25.2' versus 'MIRSEQ_MATURE_CNMF'

P value = 1e-05 (Fisher's exact test), Q value = 0.00096

Table S9.  Gene #3: 'del_6p25.2' versus Molecular Subtype #7: 'MIRSEQ_MATURE_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3
ALL 18 59 46
DEL PEAK 3(6P25.2) MUTATED 1 5 20
DEL PEAK 3(6P25.2) WILD-TYPE 17 54 26

Figure S9.  Get High-res Image Gene #3: 'del_6p25.2' versus Molecular Subtype #7: 'MIRSEQ_MATURE_CNMF'

'del_6q21' versus 'CN_CNMF'

P value = 1e-05 (Fisher's exact test), Q value = 0.00096

Table S10.  Gene #4: 'del_6q21' versus Molecular Subtype #1: 'CN_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3
ALL 65 31 27
DEL PEAK 4(6Q21) MUTATED 0 18 2
DEL PEAK 4(6Q21) WILD-TYPE 65 13 25

Figure S10.  Get High-res Image Gene #4: 'del_6q21' versus Molecular Subtype #1: 'CN_CNMF'

'del_6q21' versus 'METHLYATION_CNMF'

P value = 1e-05 (Fisher's exact test), Q value = 0.00096

Table S11.  Gene #4: 'del_6q21' versus Molecular Subtype #2: 'METHLYATION_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3 CLUS_4
ALL 39 36 24 24
DEL PEAK 4(6Q21) MUTATED 1 3 16 0
DEL PEAK 4(6Q21) WILD-TYPE 38 33 8 24

Figure S11.  Get High-res Image Gene #4: 'del_6q21' versus Molecular Subtype #2: 'METHLYATION_CNMF'

'del_6q21' versus 'MRNASEQ_CNMF'

P value = 1e-05 (Fisher's exact test), Q value = 0.00096

Table S12.  Gene #4: 'del_6q21' versus Molecular Subtype #3: 'MRNASEQ_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3 CLUS_4
ALL 43 30 13 29
DEL PEAK 4(6Q21) MUTATED 13 0 7 0
DEL PEAK 4(6Q21) WILD-TYPE 30 30 6 29

Figure S12.  Get High-res Image Gene #4: 'del_6q21' versus Molecular Subtype #3: 'MRNASEQ_CNMF'

'del_6q21' versus 'MRNASEQ_CHIERARCHICAL'

P value = 1e-05 (Fisher's exact test), Q value = 0.00096

Table S13.  Gene #4: 'del_6q21' versus Molecular Subtype #4: 'MRNASEQ_CHIERARCHICAL'

nPatients CLUS_1 CLUS_2 CLUS_3 CLUS_4
ALL 44 41 20 10
DEL PEAK 4(6Q21) MUTATED 14 0 1 5
DEL PEAK 4(6Q21) WILD-TYPE 30 41 19 5

Figure S13.  Get High-res Image Gene #4: 'del_6q21' versus Molecular Subtype #4: 'MRNASEQ_CHIERARCHICAL'

'del_6q21' versus 'MIRSEQ_CNMF'

P value = 4e-05 (Fisher's exact test), Q value = 0.0033

Table S14.  Gene #4: 'del_6q21' versus Molecular Subtype #5: 'MIRSEQ_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3 CLUS_4 CLUS_5
ALL 58 61 1 2 1
DEL PEAK 4(6Q21) MUTATED 18 1 0 1 0
DEL PEAK 4(6Q21) WILD-TYPE 40 60 1 1 1

Figure S14.  Get High-res Image Gene #4: 'del_6q21' versus Molecular Subtype #5: 'MIRSEQ_CNMF'

'del_6q21' versus 'MIRSEQ_CHIERARCHICAL'

P value = 0.00015 (Fisher's exact test), Q value = 0.012

Table S15.  Gene #4: 'del_6q21' versus Molecular Subtype #6: 'MIRSEQ_CHIERARCHICAL'

nPatients CLUS_1 CLUS_2 CLUS_3 CLUS_4 CLUS_5 CLUS_6
ALL 27 18 28 7 16 27
DEL PEAK 4(6Q21) MUTATED 9 0 7 3 1 0
DEL PEAK 4(6Q21) WILD-TYPE 18 18 21 4 15 27

Figure S15.  Get High-res Image Gene #4: 'del_6q21' versus Molecular Subtype #6: 'MIRSEQ_CHIERARCHICAL'

'del_6q21' versus 'MIRSEQ_MATURE_CNMF'

P value = 1e-05 (Fisher's exact test), Q value = 0.00096

Table S16.  Gene #4: 'del_6q21' versus Molecular Subtype #7: 'MIRSEQ_MATURE_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3
ALL 18 59 46
DEL PEAK 4(6Q21) MUTATED 0 0 20
DEL PEAK 4(6Q21) WILD-TYPE 18 59 26

Figure S16.  Get High-res Image Gene #4: 'del_6q21' versus Molecular Subtype #7: 'MIRSEQ_MATURE_CNMF'

'del_6q21' versus 'MIRSEQ_MATURE_CHIERARCHICAL'

P value = 5e-05 (Fisher's exact test), Q value = 0.004

Table S17.  Gene #4: 'del_6q21' versus Molecular Subtype #8: 'MIRSEQ_MATURE_CHIERARCHICAL'

nPatients CLUS_1 CLUS_2 CLUS_3 CLUS_4
ALL 29 33 33 28
DEL PEAK 4(6Q21) MUTATED 10 1 9 0
DEL PEAK 4(6Q21) WILD-TYPE 19 32 24 28

Figure S17.  Get High-res Image Gene #4: 'del_6q21' versus Molecular Subtype #8: 'MIRSEQ_MATURE_CHIERARCHICAL'

'del_7q36.3' versus 'MRNASEQ_CNMF'

P value = 0.00101 (Fisher's exact test), Q value = 0.074

Table S18.  Gene #5: 'del_7q36.3' versus Molecular Subtype #3: 'MRNASEQ_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3 CLUS_4
ALL 43 30 13 29
DEL PEAK 5(7Q36.3) MUTATED 0 0 3 0
DEL PEAK 5(7Q36.3) WILD-TYPE 43 30 10 29

Figure S18.  Get High-res Image Gene #5: 'del_7q36.3' versus Molecular Subtype #3: 'MRNASEQ_CNMF'

'del_9p21.3' versus 'MRNASEQ_CNMF'

P value = 4e-05 (Fisher's exact test), Q value = 0.0033

Table S19.  Gene #6: 'del_9p21.3' versus Molecular Subtype #3: 'MRNASEQ_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3 CLUS_4
ALL 43 30 13 29
DEL PEAK 6(9P21.3) MUTATED 1 3 6 0
DEL PEAK 6(9P21.3) WILD-TYPE 42 27 7 29

Figure S19.  Get High-res Image Gene #6: 'del_9p21.3' versus Molecular Subtype #3: 'MRNASEQ_CNMF'

'del_9p21.3' versus 'MRNASEQ_CHIERARCHICAL'

P value = 1e-05 (Fisher's exact test), Q value = 0.00096

Table S20.  Gene #6: 'del_9p21.3' versus Molecular Subtype #4: 'MRNASEQ_CHIERARCHICAL'

nPatients CLUS_1 CLUS_2 CLUS_3 CLUS_4
ALL 44 41 20 10
DEL PEAK 6(9P21.3) MUTATED 1 0 3 6
DEL PEAK 6(9P21.3) WILD-TYPE 43 41 17 4

Figure S20.  Get High-res Image Gene #6: 'del_9p21.3' versus Molecular Subtype #4: 'MRNASEQ_CHIERARCHICAL'

'del_9p21.3' versus 'MIRSEQ_CHIERARCHICAL'

P value = 0.00018 (Fisher's exact test), Q value = 0.014

Table S21.  Gene #6: 'del_9p21.3' versus Molecular Subtype #6: 'MIRSEQ_CHIERARCHICAL'

nPatients CLUS_1 CLUS_2 CLUS_3 CLUS_4 CLUS_5 CLUS_6
ALL 27 18 28 7 16 27
DEL PEAK 6(9P21.3) MUTATED 0 0 3 4 3 1
DEL PEAK 6(9P21.3) WILD-TYPE 27 18 25 3 13 26

Figure S21.  Get High-res Image Gene #6: 'del_9p21.3' versus Molecular Subtype #6: 'MIRSEQ_CHIERARCHICAL'

'del_11q22.1' versus 'CN_CNMF'

P value = 6e-05 (Fisher's exact test), Q value = 0.0047

Table S22.  Gene #9: 'del_11q22.1' versus Molecular Subtype #1: 'CN_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3
ALL 65 31 27
DEL PEAK 9(11Q22.1) MUTATED 0 7 0
DEL PEAK 9(11Q22.1) WILD-TYPE 65 24 27

Figure S22.  Get High-res Image Gene #9: 'del_11q22.1' versus Molecular Subtype #1: 'CN_CNMF'

'del_11q22.1' versus 'METHLYATION_CNMF'

P value = 1e-05 (Fisher's exact test), Q value = 0.00096

Table S23.  Gene #9: 'del_11q22.1' versus Molecular Subtype #2: 'METHLYATION_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3 CLUS_4
ALL 39 36 24 24
DEL PEAK 9(11Q22.1) MUTATED 0 0 7 0
DEL PEAK 9(11Q22.1) WILD-TYPE 39 36 17 24

Figure S23.  Get High-res Image Gene #9: 'del_11q22.1' versus Molecular Subtype #2: 'METHLYATION_CNMF'

'del_11q22.1' versus 'MIRSEQ_MATURE_CNMF'

P value = 0.00236 (Fisher's exact test), Q value = 0.17

Table S24.  Gene #9: 'del_11q22.1' versus Molecular Subtype #7: 'MIRSEQ_MATURE_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3
ALL 18 59 46
DEL PEAK 9(11Q22.1) MUTATED 0 0 7
DEL PEAK 9(11Q22.1) WILD-TYPE 18 59 39

Figure S24.  Get High-res Image Gene #9: 'del_11q22.1' versus Molecular Subtype #7: 'MIRSEQ_MATURE_CNMF'

'del_19p13.11' versus 'MRNASEQ_CNMF'

P value = 0.00296 (Fisher's exact test), Q value = 0.2

Table S25.  Gene #10: 'del_19p13.11' versus Molecular Subtype #3: 'MRNASEQ_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3 CLUS_4
ALL 43 30 13 29
DEL PEAK 10(19P13.11) MUTATED 0 2 3 0
DEL PEAK 10(19P13.11) WILD-TYPE 43 28 10 29

Figure S25.  Get High-res Image Gene #10: 'del_19p13.11' versus Molecular Subtype #3: 'MRNASEQ_CNMF'

'del_19p13.11' versus 'MRNASEQ_CHIERARCHICAL'

P value = 4e-04 (Fisher's exact test), Q value = 0.03

Table S26.  Gene #10: 'del_19p13.11' versus Molecular Subtype #4: 'MRNASEQ_CHIERARCHICAL'

nPatients CLUS_1 CLUS_2 CLUS_3 CLUS_4
ALL 44 41 20 10
DEL PEAK 10(19P13.11) MUTATED 0 0 2 3
DEL PEAK 10(19P13.11) WILD-TYPE 44 41 18 7

Figure S26.  Get High-res Image Gene #10: 'del_19p13.11' versus Molecular Subtype #4: 'MRNASEQ_CHIERARCHICAL'

'del_22q12.1' versus 'CN_CNMF'

P value = 1e-05 (Fisher's exact test), Q value = 0.00096

Table S27.  Gene #11: 'del_22q12.1' versus Molecular Subtype #1: 'CN_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3
ALL 65 31 27
DEL PEAK 11(22Q12.1) MUTATED 0 4 15
DEL PEAK 11(22Q12.1) WILD-TYPE 65 27 12

Figure S27.  Get High-res Image Gene #11: 'del_22q12.1' versus Molecular Subtype #1: 'CN_CNMF'

'del_22q13.32' versus 'CN_CNMF'

P value = 2e-05 (Fisher's exact test), Q value = 0.0017

Table S28.  Gene #12: 'del_22q13.32' versus Molecular Subtype #1: 'CN_CNMF'

nPatients CLUS_1 CLUS_2 CLUS_3
ALL 65 31 27
DEL PEAK 12(22Q13.32) MUTATED 1 4 10
DEL PEAK 12(22Q13.32) WILD-TYPE 64 27 17

Figure S28.  Get High-res Image Gene #12: 'del_22q13.32' versus Molecular Subtype #1: 'CN_CNMF'

Methods & Data
Input
  • Copy number data file = transformed.cor.cli.txt

  • Molecular subtype file = THYM-TP.transferedmergedcluster.txt

  • Number of patients = 123

  • Number of significantly focal cnvs = 12

  • Number of molecular subtypes = 8

  • Exclude genes that fewer than K tumors have alterations, K = 3

Fisher's exact test

For binary or multi-class clinical features (nominal or ordinal), two-tailed Fisher's exact tests (Fisher 1922) were used to estimate the P values using the 'fisher.test' function in R

Q value calculation

For multiple hypothesis correction, Q value is the False Discovery Rate (FDR) analogue of the P value (Benjamini and Hochberg 1995), defined as the minimum FDR at which the test may be called significant. We used the 'Benjamini and Hochberg' method of 'p.adjust' function in R to convert P values into Q values.

Download Results

In addition to the links below, the full results of the analysis summarized in this report can also be downloaded programmatically using firehose_get, or interactively from either the Broad GDAC website or TCGA Data Coordination Center Portal.

References
[1] Fisher, R.A., On the interpretation of chi-square from contingency tables, and the calculation of P, Journal of the Royal Statistical Society 85(1):87-94 (1922)
[2] Benjamini and Hochberg, Controlling the false discovery rate: a practical and powerful approach to multiple testing, Journal of the Royal Statistical Society Series B 59:289-300 (1995)