This pipeline uses various statistical tests to identify mRNAs whose expression levels correlated to selected clinical features.
Testing the association between 18155 genes and 3 clinical features across 53 samples, statistically thresholded by Q value < 0.05, 3 clinical features related to at least one genes.
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1 gene correlated to 'AGE'.
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OSBPL9|114883
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10 genes correlated to 'RADIATIONS.RADIATION.REGIMENINDICATION'.
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SCN11A|11280 , TSPAN19|144448 , ZNF596|169270 , SFRS2|6427 , VN1R1|57191 , ...
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77 genes correlated to 'NEOADJUVANT.THERAPY'.
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KIAA1644|85352 , SPOCK3|50859 , PDPN|10630 , HSPB8|26353 , DCBLD2|131566 , ...
Complete statistical result table is provided in Supplement Table 1
Clinical feature | Statistical test | Significant genes | Associated with | Associated with | ||
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AGE | Spearman correlation test | N=1 | older | N=0 | younger | N=1 |
RADIATIONS RADIATION REGIMENINDICATION | t test | N=10 | yes | N=3 | no | N=7 |
NEOADJUVANT THERAPY | t test | N=77 | yes | N=59 | no | N=18 |
AGE | Mean (SD) | 61.3 (7.2) |
Significant markers | N = 1 | |
pos. correlated | 0 | |
neg. correlated | 1 |
SpearmanCorr | corrP | Q | |
---|---|---|---|
OSBPL9|114883 | -0.6211 | 6.951e-07 | 0.0126 |
10 genes related to 'RADIATIONS.RADIATION.REGIMENINDICATION'.
RADIATIONS.RADIATION.REGIMENINDICATION | Labels | N |
NO | 4 | |
YES | 49 | |
Significant markers | N = 10 | |
Higher in YES | 3 | |
Higher in NO | 7 |
T(pos if higher in 'YES') | ttestP | Q | AUC | |
---|---|---|---|---|
SCN11A|11280 | -8.92 | 7.261e-08 | 0.00125 | 0.9583 |
TSPAN19|144448 | 7.97 | 1.119e-07 | 0.00192 | 0.907 |
ZNF596|169270 | -7.67 | 2.379e-07 | 0.00408 | 0.9235 |
SFRS2|6427 | -6.38 | 3.135e-07 | 0.00538 | 0.8367 |
VN1R1|57191 | -6.13 | 3.556e-07 | 0.0061 | 0.8724 |
UBTF|7343 | -6.6 | 4.129e-07 | 0.00709 | 0.8724 |
FGFR3|2261 | -5.46 | 1.407e-06 | 0.0241 | 0.7806 |
C15ORF57|90416 | 5.56 | 1.485e-06 | 0.0255 | 0.7908 |
ELP3|55140 | -5.36 | 2.3e-06 | 0.0395 | 0.7347 |
ABHD11|83451 | 5.76 | 2.676e-06 | 0.0459 | 0.852 |
NEOADJUVANT.THERAPY | Labels | N |
NO | 3 | |
YES | 50 | |
Significant markers | N = 77 | |
Higher in YES | 59 | |
Higher in NO | 18 |
T(pos if higher in 'YES') | ttestP | Q | AUC | |
---|---|---|---|---|
KIAA1644|85352 | 15.32 | 2.098e-17 | 3.38e-13 | 1 |
SPOCK3|50859 | 14.03 | 2.622e-17 | 4.22e-13 | 0.9867 |
PDPN|10630 | 13.08 | 1.503e-16 | 2.42e-12 | 0.9467 |
HSPB8|26353 | 16.25 | 1.626e-16 | 2.62e-12 | 1 |
DCBLD2|131566 | 11.25 | 2.2e-15 | 3.54e-11 | 0.94 |
PTPN9|5780 | 11.21 | 3.201e-15 | 5.15e-11 | 0.9467 |
TGFB1I1|7041 | 13.78 | 1.156e-13 | 1.86e-09 | 0.98 |
FGFR1|2260 | 9.95 | 2.136e-13 | 3.44e-09 | 0.92 |
ACSL6|23305 | -9.85 | 2.709e-13 | 4.36e-09 | 0.9867 |
FAM13C|220965 | 11.14 | 7.037e-13 | 1.13e-08 | 0.96 |
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Expresson data file = PRAD.uncv2.mRNAseq_RSEM_normalized_log2.txt
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Clinical data file = PRAD.clin.merged.picked.txt
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Number of patients = 53
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Number of genes = 18155
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Number of clinical features = 3
For continuous numerical clinical features, Spearman's rank correlation coefficients (Spearman 1904) and two-tailed P values were estimated using 'cor.test' function in R
For two-class clinical features, two-tailed Student's t test with unequal variance (Lehmann and Romano 2005) was applied to compare the log2-expression levels between the two clinical classes using 't.test' function in R
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.
This is an experimental feature. The full results of the analysis summarized in this report can be downloaded from the TCGA Data Coordination Center.