TABLE V.
The ranks and the p-values of the 24 target pathways for GSEA and pDis analysis (all genes). The improvement factor based on Fig. 2 is calculated for each data set considering 5% significance threshold using FDR-corrected p-values. The average improvement factor shows that pDis analysis (all genes) improves the results 37.5% compared to GSEA. Twelve target pathways were found to be significant in pDis analysis (all genes) while only 2 target pathways have significant FDR-corrected p-values in GSEA. As shown, the average p-value and rank for the target pathways are lower (i.e. better) in the pDis analysis (all genes) than in GSEA.
GEO ID | Target pathway | GSEA | pDis analysis (all genes) | Improvement Compared to GSEA | |||||
---|---|---|---|---|---|---|---|---|---|
p-values | FDR | ranks | p-values | FDR | ranks | ||||
1 | GSE1297 | Alzheimer’s Disease | 5e-06 | 4e-05 | 5.75 | 5e-06 | 5.7e-05 | 4.74 | +0.5 |
2 | GSE5281 | Alzheimer’s Disease | 5e-06 | 4e-05 | 3.59 | 5e-06 | 3.6e-05 | 7.29 | −0.5 |
3 | GSE5281 | Alzheimer’s Disease | 5e-06 | 4e-04 | 5.75 | 5e-06 | 2.6e-05 | 9.85 | −0.5 |
4 | GSE5281 | Alzheimer’s Disease | 5e-06 | 4e-05 | 7.19 | 5e-06 | 2.6e-05 | 9.85 | −0.5 |
5 | GSE20153 | Parkinson’s disease | 0.995 | 1 | 96.40 | 0.002 | 0.008 | 21.53 | +1 |
6 | GSE20291 | Parkinson’s disease | 5e-06 | 4e-05 | 6.83 | 5e-06 | 2.2e-05 | 11.67 | −0.5 |
7 | GSE8762 | Huntington’s disease | 5e-06 | 0.08 | 6.83 | 5e-06 | 1.6e-05 | 15.32 | +1 |
8 | GSE4107 | Colorectal Cancer | 0.081 | 0.171 | 35.25 | 0.002 | 0.009 | 20.43 | +1 |
9 | GSE8671 | Colorectal Cancer | 0.312 | 0.625 | 56.83 | 0.116 | 0.248 | 46.71 | −0.5 |
10 | GSE9348 | Colorectal Cancer | 0.118 | 0.283 | 33.81 | 0.054 | 0.172 | 31.02 | +0.5 |
11 | GSE14762 | Renal Cancer | 0.148 | 0.261 | 45.32 | 0.029 | 0.062 | 46.71 | −0.5 |
12 | GSE781 | Renal Cancer | 0.356 | 0.584 | 58.27 | 0.998 | 0.998 | 100 | −0.5 |
13 | GSE15471 | Pancreatic Cancer | 0.020 | 0.038 | 38.84 | 0.168 | 0.247 | 67.88 | −1 |
14 | GSE16515 | Pancreatic Cancer | 0.002 | 0.019 | 16.54 | 0.121 | 0.242 | 49.63 | −1 |
15 | GSE19728 | Glioma | 0.069 | 0.121 | 50.35 | 5e-06 | 2.2e-05 | 11.31 | +1 |
16 | GSE21354 | Glioma | 0.114 | 0.248 | 43.88 | 5e-06 | 2.1e-05 | 12.04 | +1 |
17 | GSE6956 | Prostate Cancer | 0.023 | 0.170 | 22.30 | 0.031 | 0.124 | 24.45 | −0.5 |
18 | GSE6956 | Prostate Cancer | 0.016 | 0.068 | 17.98 | 0.001 | 0.013 | 6.56 | +1 |
19 | GSE3467 | Thyroid Cancer | 0.463 | 0.682 | 71.22 | 0.018 | 0.061 | 28.83 | +0.5 |
20 | GSE3678 | Thyroid Cancer | 0.182 | 0.353 | 40.28 | 0.201 | 0.364 | 54.38 | −0.5 |
21 | GSE9476 | Acute myeloid leukemia | 0.4662 | 0.808 | 56.83 | 5e-06 | 9.7e-05 | 2.92 | +1 |
22 | GSE18842 | Non-Small Cell Lung Cancer | 0.414 | 0.727 | 63.30 | 0.496 | 0.635 | 78.10 | −0.5 |
23 | GSE19188 | Non-Small Cell Lung Cancer | 0.870 | 0.995 | 87.76 | 0.874 | 0.925 | 93.43 | −0.5 |
24 | GSE3585 | Dilated cardiomyopathy | 0.874 | 1 | 88.48 | 0.093 | 0.364 | 25.54 | +0.5 |
Average | 0.23 | 0.34 | 39.98 | 0.133 | 0.186 | 32.51 | +2.5/24=10% |