Table 2.
Clinical-pathological features of patients in early relapse and long-term survival groups before and after propensity score matching in TCGA database.
| Variable | Training Set | |||||
|---|---|---|---|---|---|---|
| Before matching | After matching | |||||
| early relapse | long-term survival | p | early relapse | long-term survival | p | |
| Age(mean, IQR) | 62.9 | 58.1 | 0.049 | 65.3 | 60.27 | 0.810 |
| (54.0-74.0) | (49.0-66.0) | (56.3-75.0) | (53.0-67.0) | |||
| Gender | 0.570 | 0.064 | ||||
| female | 17 | 31 | 11 | 8 | ||
| male | 30 | 44 | 15 | 18 | ||
| Stage | <0.001 | 1 | ||||
| I | 8 | 49 | 8 | 8 | ||
| II | 6 | 13 | 5 | 5 | ||
| III | 33 | 13 | 13 | 13 | ||
| Histological type | <0.001 | 1 | ||||
| Clear cell carcinoma | 24 | 60 | 14 | 14 | ||
| Papillary cell carcinoma | 23 | 15 | 12 | 12 | ||
| Total | 47 | 75 | 26 | 26 | ||
TCGA: The Cancer Genome Atlas (TCGA) project.