Correlation between gene mutation status and selected clinical features
Thyroid Adenocarcinoma (Primary solid tumor)
02 April 2015  |  analyses__2015_04_02
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 (2015): Correlation between gene mutation status and selected clinical features. Broad Institute of MIT and Harvard. doi:10.7908/C1N58KG1
Overview
Introduction

This pipeline computes the correlation between significantly recurrent gene mutations and selected clinical features.

Summary

Testing the association between mutation status of 11 genes and 17 clinical features across 400 patients, 13 significant findings detected with Q value < 0.25.

  • BRAF mutation correlated to 'NEOPLASM_DISEASESTAGE',  'PATHOLOGY_T_STAGE',  'PATHOLOGY_N_STAGE',  'HISTOLOGICAL_TYPE', and 'EXTRATHYROIDAL_EXTENSION'.

  • NRAS mutation correlated to 'PATHOLOGY_N_STAGE',  'HISTOLOGICAL_TYPE', and 'NUMBER_OF_LYMPH_NODES'.

  • NUP93 mutation correlated to 'HISTOLOGICAL_TYPE'.

  • DNMT3A mutation correlated to 'Time to Death'.

  • ITGAL mutation correlated to 'YEARS_TO_BIRTH',  'NEOPLASM_DISEASESTAGE', and 'EXTRATHYROIDAL_EXTENSION'.

Results
Overview of the results

Table 1.  Get Full Table Overview of the association between mutation status of 11 genes and 17 clinical features. Shown in the table are P values (Q values). Thresholded by Q value < 0.25, 13 significant findings detected.

Clinical
Features
Time
to
Death
YEARS
TO
BIRTH
NEOPLASM
DISEASESTAGE
PATHOLOGY
T
STAGE
PATHOLOGY
N
STAGE
PATHOLOGY
M
STAGE
GENDER HISTOLOGICAL
TYPE
RADIATIONS
RADIATION
REGIMENINDICATION
RADIATION
EXPOSURE
EXTRATHYROIDAL
EXTENSION
COMPLETENESS
OF
RESECTION
NUMBER
OF
LYMPH
NODES
MULTIFOCALITY TUMOR
SIZE
RACE ETHNICITY
nMutated (%) nWild-Type logrank test Wilcoxon-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 Fisher's exact test Fisher's exact test Fisher's exact test Wilcoxon-test Fisher's exact test Wilcoxon-test Fisher's exact test Fisher's exact test
BRAF 239 (60%) 161 0.956
(1.00)
0.335
(1.00)
0.00137
(0.0259)
0.00122
(0.0259)
0.000777
(0.0207)
1
(1.00)
0.245
(1.00)
1e-05
(0.000623)
0.0322
(0.376)
0.595
(1.00)
1e-05
(0.000623)
0.358
(1.00)
0.0239
(0.298)
1
(1.00)
0.234
(1.00)
0.917
(1.00)
0.437
(1.00)
NRAS 34 (8%) 366 0.474
(1.00)
0.548
(1.00)
0.0384
(0.399)
0.145
(0.82)
0.000139
(0.00519)
0.442
(1.00)
0.84
(1.00)
2e-05
(0.000935)
0.61
(1.00)
1
(1.00)
0.187
(0.921)
0.689
(1.00)
0.00152
(0.0259)
0.371
(1.00)
0.527
(1.00)
0.0986
(0.683)
0.0576
(0.47)
ITGAL 4 (1%) 396 0.0353
(0.388)
0.0164
(0.236)
0.00038
(0.0118)
0.143
(0.82)
0.348
(1.00)
1
(1.00)
0.0527
(0.47)
0.712
(1.00)
1
(1.00)
1
(1.00)
0.00146
(0.0259)
0.0967
(0.683)
0.627
(1.00)
0.443
(1.00)
1
(1.00)
0.263
(1.00)
NUP93 4 (1%) 396 0.883
(1.00)
0.51
(1.00)
0.547
(1.00)
0.734
(1.00)
0.348
(1.00)
1
(1.00)
1
(1.00)
0.014
(0.218)
1
(1.00)
1
(1.00)
1
(1.00)
0.517
(1.00)
0.411
(1.00)
0.34
(1.00)
0.998
(1.00)
0.199
(0.933)
1
(1.00)
DNMT3A 3 (1%) 397 0
(0)
0.136
(0.819)
0.0612
(0.477)
0.166
(0.88)
1
(1.00)
1
(1.00)
0.574
(1.00)
0.656
(1.00)
1
(1.00)
0.123
(0.768)
0.258
(1.00)
0.418
(1.00)
0.724
(1.00)
1
(1.00)
1
(1.00)
1
(1.00)
HRAS 14 (4%) 386 0.486
(1.00)
0.338
(1.00)
0.344
(1.00)
0.78
(1.00)
0.388
(1.00)
0.249
(1.00)
0.76
(1.00)
0.0217
(0.29)
1
(1.00)
1
(1.00)
0.688
(1.00)
0.2
(0.933)
0.686
(1.00)
0.792
(1.00)
0.716
(1.00)
0.107
(0.713)
0.615
(1.00)
EIF1AX 6 (2%) 394 0.0578
(0.47)
0.0562
(0.47)
0.92
(1.00)
1
(1.00)
0.625
(1.00)
1
(1.00)
0.176
(0.889)
0.0727
(0.543)
1
(1.00)
1
(1.00)
1
(1.00)
0.28
(1.00)
0.774
(1.00)
0.666
(1.00)
0.468
(1.00)
1
(1.00)
PPM1D 5 (1%) 395 0.852
(1.00)
0.158
(0.867)
0.231
(1.00)
0.288
(1.00)
1
(1.00)
1
(1.00)
0.605
(1.00)
1
(1.00)
1
(1.00)
1
(1.00)
0.111
(0.719)
0.353
(1.00)
1
(1.00)
0.516
(1.00)
1
(1.00)
1
(1.00)
KRAS 4 (1%) 396 0.869
(1.00)
0.459
(1.00)
1
(1.00)
0.206
(0.941)
0.625
(1.00)
1
(1.00)
0.576
(1.00)
0.471
(1.00)
1
(1.00)
1
(1.00)
1
(1.00)
0.419
(1.00)
0.281
(1.00)
1
(1.00)
0.749
(1.00)
1
(1.00)
DLC1 4 (1%) 396 0.0517
(0.47)
0.782
(1.00)
0.73
(1.00)
1
(1.00)
0.605
(1.00)
1
(1.00)
1
(1.00)
1
(1.00)
1
(1.00)
1
(1.00)
0.385
(1.00)
0.517
(1.00)
0.627
(1.00)
0.573
(1.00)
1
(1.00)
0.263
(1.00)
NLRP6 3 (1%) 397 0.624
(1.00)
0.437
(1.00)
0.788
(1.00)
0.169
(0.88)
0.605
(1.00)
1
(1.00)
0.653
(1.00)
1
(1.00)
1
(1.00)
1
(1.00)
1
(1.00)
0.359
(1.00)
0.598
(1.00)
1
(1.00)
'BRAF MUTATION STATUS' versus 'NEOPLASM_DISEASESTAGE'

P value = 0.00137 (Fisher's exact test), Q value = 0.026

Table S1.  Gene #1: 'BRAF MUTATION STATUS' versus Clinical Feature #3: 'NEOPLASM_DISEASESTAGE'

nPatients STAGE I STAGE II STAGE III STAGE IV STAGE IVA STAGE IVC
ALL 230 45 83 2 32 6
BRAF MUTATED 131 19 59 0 25 4
BRAF WILD-TYPE 99 26 24 2 7 2

Figure S1.  Get High-res Image Gene #1: 'BRAF MUTATION STATUS' versus Clinical Feature #3: 'NEOPLASM_DISEASESTAGE'

'BRAF MUTATION STATUS' versus 'PATHOLOGY_T_STAGE'

P value = 0.00122 (Fisher's exact test), Q value = 0.026

Table S2.  Gene #1: 'BRAF MUTATION STATUS' versus Clinical Feature #4: 'PATHOLOGY_T_STAGE'

nPatients T1 T2 T3 T4
ALL 117 137 129 15
BRAF MUTATED 69 67 89 13
BRAF WILD-TYPE 48 70 40 2

Figure S2.  Get High-res Image Gene #1: 'BRAF MUTATION STATUS' versus Clinical Feature #4: 'PATHOLOGY_T_STAGE'

'BRAF MUTATION STATUS' versus 'PATHOLOGY_N_STAGE'

P value = 0.000777 (Fisher's exact test), Q value = 0.021

Table S3.  Gene #1: 'BRAF MUTATION STATUS' versus Clinical Feature #5: 'PATHOLOGY_N_STAGE'

nPatients 0 1
ALL 189 170
BRAF MUTATED 99 119
BRAF WILD-TYPE 90 51

Figure S3.  Get High-res Image Gene #1: 'BRAF MUTATION STATUS' versus Clinical Feature #5: 'PATHOLOGY_N_STAGE'

'BRAF MUTATION STATUS' versus 'HISTOLOGICAL_TYPE'

P value = 1e-05 (Fisher's exact test), Q value = 0.00062

Table S4.  Gene #1: 'BRAF MUTATION STATUS' versus Clinical Feature #8: 'HISTOLOGICAL_TYPE'

nPatients OTHER SPECIFY THYROID PAPILLARY CARCINOMA - CLASSICAL/USUAL THYROID PAPILLARY CARCINOMA - FOLLICULAR (>= 99% FOLLICULAR PATTERNED) THYROID PAPILLARY CARCINOMA - TALL CELL (>= 50% TALL CELL FEATURES)
ALL 6 281 83 30
BRAF MUTATED 3 193 15 28
BRAF WILD-TYPE 3 88 68 2

Figure S4.  Get High-res Image Gene #1: 'BRAF MUTATION STATUS' versus Clinical Feature #8: 'HISTOLOGICAL_TYPE'

'BRAF MUTATION STATUS' versus 'EXTRATHYROIDAL_EXTENSION'

P value = 1e-05 (Fisher's exact test), Q value = 0.00062

Table S5.  Gene #1: 'BRAF MUTATION STATUS' versus Clinical Feature #11: 'EXTRATHYROIDAL_EXTENSION'

nPatients MINIMAL (T3) MODERATE/ADVANCED (T4A) NONE VERY ADVANCED (T4B)
ALL 103 11 272 1
BRAF MUTATED 80 11 143 0
BRAF WILD-TYPE 23 0 129 1

Figure S5.  Get High-res Image Gene #1: 'BRAF MUTATION STATUS' versus Clinical Feature #11: 'EXTRATHYROIDAL_EXTENSION'

'NRAS MUTATION STATUS' versus 'PATHOLOGY_N_STAGE'

P value = 0.000139 (Fisher's exact test), Q value = 0.0052

Table S6.  Gene #2: 'NRAS MUTATION STATUS' versus Clinical Feature #5: 'PATHOLOGY_N_STAGE'

nPatients 0 1
ALL 189 170
NRAS MUTATED 27 5
NRAS WILD-TYPE 162 165

Figure S6.  Get High-res Image Gene #2: 'NRAS MUTATION STATUS' versus Clinical Feature #5: 'PATHOLOGY_N_STAGE'

'NRAS MUTATION STATUS' versus 'HISTOLOGICAL_TYPE'

P value = 2e-05 (Fisher's exact test), Q value = 0.00093

Table S7.  Gene #2: 'NRAS MUTATION STATUS' versus Clinical Feature #8: 'HISTOLOGICAL_TYPE'

nPatients OTHER SPECIFY THYROID PAPILLARY CARCINOMA - CLASSICAL/USUAL THYROID PAPILLARY CARCINOMA - FOLLICULAR (>= 99% FOLLICULAR PATTERNED) THYROID PAPILLARY CARCINOMA - TALL CELL (>= 50% TALL CELL FEATURES)
ALL 6 281 83 30
NRAS MUTATED 0 15 19 0
NRAS WILD-TYPE 6 266 64 30

Figure S7.  Get High-res Image Gene #2: 'NRAS MUTATION STATUS' versus Clinical Feature #8: 'HISTOLOGICAL_TYPE'

'NRAS MUTATION STATUS' versus 'NUMBER_OF_LYMPH_NODES'

P value = 0.00152 (Wilcoxon-test), Q value = 0.026

Table S8.  Gene #2: 'NRAS MUTATION STATUS' versus Clinical Feature #13: 'NUMBER_OF_LYMPH_NODES'

nPatients Mean (Std.Dev)
ALL 303 3.4 (6.0)
NRAS MUTATED 25 1.0 (2.4)
NRAS WILD-TYPE 278 3.6 (6.2)

Figure S8.  Get High-res Image Gene #2: 'NRAS MUTATION STATUS' versus Clinical Feature #13: 'NUMBER_OF_LYMPH_NODES'

'NUP93 MUTATION STATUS' versus 'HISTOLOGICAL_TYPE'

P value = 0.014 (Fisher's exact test), Q value = 0.22

Table S9.  Gene #5: 'NUP93 MUTATION STATUS' versus Clinical Feature #8: 'HISTOLOGICAL_TYPE'

nPatients OTHER SPECIFY THYROID PAPILLARY CARCINOMA - CLASSICAL/USUAL THYROID PAPILLARY CARCINOMA - FOLLICULAR (>= 99% FOLLICULAR PATTERNED) THYROID PAPILLARY CARCINOMA - TALL CELL (>= 50% TALL CELL FEATURES)
ALL 6 281 83 30
NUP93 MUTATED 1 1 1 1
NUP93 WILD-TYPE 5 280 82 29

Figure S9.  Get High-res Image Gene #5: 'NUP93 MUTATION STATUS' versus Clinical Feature #8: 'HISTOLOGICAL_TYPE'

'DNMT3A MUTATION STATUS' versus 'Time to Death'

P value = 0 (logrank test), Q value = 0

Table S10.  Gene #7: 'DNMT3A MUTATION STATUS' versus Clinical Feature #1: 'Time to Death'

nPatients nDeath Duration Range (Median), Month
ALL 399 13 0.1 - 169.3 (21.0)
DNMT3A MUTATED 3 1 1.0 - 7.7 (6.8)
DNMT3A WILD-TYPE 396 12 0.1 - 169.3 (21.2)

Figure S10.  Get High-res Image Gene #7: 'DNMT3A MUTATION STATUS' versus Clinical Feature #1: 'Time to Death'

'ITGAL MUTATION STATUS' versus 'YEARS_TO_BIRTH'

P value = 0.0164 (Wilcoxon-test), Q value = 0.24

Table S11.  Gene #10: 'ITGAL MUTATION STATUS' versus Clinical Feature #2: 'YEARS_TO_BIRTH'

nPatients Mean (Std.Dev)
ALL 400 47.1 (15.7)
ITGAL MUTATED 4 64.8 (3.5)
ITGAL WILD-TYPE 396 46.9 (15.7)

Figure S11.  Get High-res Image Gene #10: 'ITGAL MUTATION STATUS' versus Clinical Feature #2: 'YEARS_TO_BIRTH'

'ITGAL MUTATION STATUS' versus 'NEOPLASM_DISEASESTAGE'

P value = 0.00038 (Fisher's exact test), Q value = 0.012

Table S12.  Gene #10: 'ITGAL MUTATION STATUS' versus Clinical Feature #3: 'NEOPLASM_DISEASESTAGE'

nPatients STAGE I STAGE II STAGE III STAGE IV STAGE IVA STAGE IVC
ALL 230 45 83 2 32 6
ITGAL MUTATED 0 1 0 1 2 0
ITGAL WILD-TYPE 230 44 83 1 30 6

Figure S12.  Get High-res Image Gene #10: 'ITGAL MUTATION STATUS' versus Clinical Feature #3: 'NEOPLASM_DISEASESTAGE'

'ITGAL MUTATION STATUS' versus 'EXTRATHYROIDAL_EXTENSION'

P value = 0.00146 (Fisher's exact test), Q value = 0.026

Table S13.  Gene #10: 'ITGAL MUTATION STATUS' versus Clinical Feature #11: 'EXTRATHYROIDAL_EXTENSION'

nPatients MINIMAL (T3) MODERATE/ADVANCED (T4A) NONE VERY ADVANCED (T4B)
ALL 103 11 272 1
ITGAL MUTATED 0 1 2 1
ITGAL WILD-TYPE 103 10 270 0

Figure S13.  Get High-res Image Gene #10: 'ITGAL MUTATION STATUS' versus Clinical Feature #11: 'EXTRATHYROIDAL_EXTENSION'

Methods & Data
Input
  • Mutation data file = sample_sig_gene_table.txt from Mutsig_2CV pipeline

  • Processed Mutation data file = /xchip/cga/gdac-prod/tcga-gdac/jobResults/GDAC_Correlate_Genomic_Events_Preprocess/THCA-TP/15165022/transformed.cor.cli.txt

  • Clinical data file = /xchip/cga/gdac-prod/tcga-gdac/jobResults/Append_Data/THCA-TP/15092795/THCA-TP.merged_data.txt

  • Number of patients = 400

  • Number of significantly mutated genes = 11

  • Number of selected clinical features = 17

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

Survival analysis

For survival clinical features, the Kaplan-Meier survival curves of tumors with and without gene mutations were plotted and the statistical significance P values were estimated by logrank test (Bland and Altman 2004) using the 'survdiff' function in R

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] Bland and Altman, Statistics notes: The logrank test, BMJ 328(7447):1073 (2004)
[2] 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)
[3] 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)