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Table 2 Proportional Subdistribution Hazard Models of Probabilities of Cancer-Specific Death and Death from Other Causes for Patients with Stage I SCLC

From: Nomogram model for predicting cause-specific mortality in patients with stage I small-cell lung cancer: a competing risk analysis

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
  1. Note: Age’ and Tumor size’ are constructed spline variables (when k = 3)