Table 1.
Demographic and clinical data for 438 COAD patients
| Variable | Patients (n=438) | No. of events (%) | MST (days) | HR (95% CI) | Log-rank P-value |
|---|---|---|---|---|---|
|
| |||||
| Gender | 0.545 | ||||
| Male | 234 | 54 (23.1) | 2,475 | Ref. | |
| Female | 204 | 44 (22.6) | N/A | 1.131 (0.759–1.686) | |
| Age (years) | 0.114 | ||||
| ≥65 | 168 | 29 (17.3) | 2,475 | Ref. | |
| <65 | 268 | 116 (25.4) | N/A | 1.420 (0.919–2.194) | |
| Tumor stage | <0.001 | ||||
| Advanced | 187 | 62 (33.2) | 1,711 | Ref. | |
| Early | 240 | 31 (12.9) | 3,042 | 0.323 (0.210–0.498) | |
| Missing | 11 | ||||
| Tumor stage | <0.001 | ||||
| IV | 61 | 31 (51.8) | 858 | Ref. | |
| I | 73 | 4 (5.5) | N/A | 0.089 (0.031–0.251) | |
| II | 167 | 27 (16.2) | 2,821 | 0.198 (0.118–0.335) | |
| III | 126 | 31 (24.6) | N/A | 0.360 (0.218–0.596) | |
| Missing | |||||
Abbreviations: COAD, colon adenocarcinoma; MST, median survival time; N/A, not available.