Table 2 Proportional Subdistribution Hazard Models of Probabilities of Cancer-Specific Death and Death from Other Causes for Patients with Stage I SCLC
Characteristics | Cancer-Specific Death | Death from Other Causes | ||||
|---|---|---|---|---|---|---|
Coefficient | sdHR (95%CI) | P | Coefficient | sdHR (95%CI) | P | |
Age | 0.011 | 1.010 (0.997–1.024) | 0.130 | 0.056 | 1.057 (1.010–1.105) | 0.015 |
Age’ | 0.015 | 1.015 (0.999–1.031) | 0.065 | −0.050 | 0.951 (0.911–0.993) | 0.024 |
Tumor size | 0.118 | 1.125 (1.013–1.249) | 0.027 | −0.106 | 0.899 (0.746–1.083) | 0.260 |
Tumor size’ | −0.071 | 0.931 (0.806–1.076) | 0.340 | 0.044 | 1.045 (0.780–1.399) | 0.770 |
Male | −0.024 | 0.976 (0.858–1.110) | 0.720 | 0.332 | 1.393 (1.071–1.811) | 0.013 |
Race | ||||||
 Black | − 0.022 | 0.978 (0.805–1.187) | 0.830 | −0.454 | 0.634 (0.368–1.094) | 0.100 |
 Others | −0.159 | 0.853 (0.591–1.231) | 0.400 | −0.028 | 0.972 (0.490–1.929) | 0.940 |
Anatomic sites | ||||||
 Middle | −0.248 | 0.780 (0.580–1.050) | 0.100 | 0.424 | 1.528 (0.937–2.492) | 0.089 |
 Lower | 0.011 | 1.010 (0.874–1.168) | 0.880 | −0.256 | 0.774 (0.564–1.060) | 0.110 |
 Bronchus/Other | 0.256 | 1.291 (1.018–1.636) | 0.034 | −0.192 | 0.825 (0.492–1.382) | 0.470 |
 Right-sided | 0.149 | 1.160 (1.015–1.324) | 0.028 | −0.132 | 0.876 (0.669–1.147) | 0.340 |
Regional | 0.361 | 1.434 (1.216–1.693) | < 0.001 | − 0.516 | 0.597 (0.381–0.934) | 0.024 |
Grading | ||||||
 Poorly | 0.171 | 1.186 (0.701–2.006) | 0.520 | −0.213 | 0.807 (0.317–2.053) | 0.650 |
 Undifferentiated | 0.229 | 1.257 (0.748–2.111) | 0.390 | −0.353 | 0.702 (0.277–1.779) | 0.460 |
 NOS | 0.156 | 1.168 (0.698–1.955) | 0.550 | −0.108 | 0.897 (0.356–2.259) | 0.820 |
 Surgery | −0.992 | 0.370 (0.304–0.450) | < 0.001 | −0.162 | 0.850 (0.590–1.223) | 0.380 |
 Chemotherapy | −0.064 | 0.937 (0.801–1.096) | 0.420 | −0.582 | 0.558 (0.411–0.758) | < 0.001 |
 Radiotherapy | −0.592 | 0.553 (0.477–0.641) | < 0.001 | 0.182 | 1.199 (0.885–1.625) | 0.240 |