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Table 1 One-, three-, and five-year cumulative incidence of mortality in stage I SCLC patients

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

Characteristics N % Event % Cancer-specific death Death from other causes
1-year (%) 3-year (%) 5-year (%) P 1-year (%) 3-year (%) 5-year (%) P
Total 1811   1221   28.7 56.5 61.5   5.8 11.1 13.6  
Age at diagnosis         < 0.001     0.001
  < 60 years 342 18.9 192 15.7 18.6 49.8 53.1   5.2 7.7 8.2  
 60–75 years 981 54.2 640 52.4 26.1 53.5 59.5   5.5 10.7 14.3  
  > 75 years 488 26.9 389 31.9 40.9 67.1 71.4   6.9 14.2 15.9  
Gender         0.574     0.016
 Female 949 52.4 619 50.7 27.3 56.3 60.5   5.1 9.1 11.3  
 Male 862 47.6 602 49.3 30.1 56.7 62.6   6.5 13.3 16.0  
Race         0.690     0.183
 White 1578 87.1 1064 87.1 28.9 56.1 60.8   5.9 11.3 13.8  
 Black 167 9.2 111 9.1 26.4 57.9 66.0   5.7 7.8 9.9  
 Others 66 3.7 46 3.8 27.7 64.3 66.6   3.3 15.1 17.4  
Anatomic sites         < 0.001     0.048
 Upper 1025 56.6 685 56.1 26.5 55.9 60.6   5.6 11.8 14.5  
 Middle 115 6.4 76 6.2 22.7 51.6 55.1   12.5 19.8 19.8  
 Lower 505 27.9 336 27.5 29.4 55.7 61.8   5.1 8.0 11.1  
 Bronchus/others 166 9.2 124 10.2 43.6 66.0 70.5   4.5 9.9 10.8  
Primary tumor location         0.221     0.682
 Left-sided 793 43.8 522 42.8 28.1 55.3 59.8   6.2 12.0 14.1  
 Right-sided 1018 56.2 699 57.2 29.1 57.4 62.8   5.5 10.4 13.1  
Tumor size         < 0.001     0.030
  ≤ 3 cm 967 53.4 602 49.3 23.7 50.6 55.0   5.7 12.1 15.7  
 3–5 cm 523 28.9 379 31.0 30.5 59.6 66.1   7.1 10.9 12.1  
> 5 cm 321 17.7 240 19.7 40.5 68.8 73.3   3.9 8.5 9.5  
Tumor extension         < 0.001     0.005
 Local 1526 84.3 1020 83.5 27.9 55.4 59.7   6.3 11.8 14.6  
 Regional 285 15.7 201 16.5 32.5 62.2 71.3   3.3 7.3 8.0  
Grading         0.038     0.375
 Good or moderate 34 1.9 18 1.5 16.3 36.6 41.3   3.1 6.8 16.7  
 Poor 343 18.9 207 17.0 26.3 51.3 54.1   4.9 11.8 13.3  
 Undifferentiated 439 24.2 318 26.0 26.5 58.0 65.0   5.6 8.4 11.6  
 NOS 995 54.9 678 55.5 30.8 58.1 62.9   6.3 12.3 14.5  
Surgery         < 0.001     0.593
 Yes 457 25.2 214 17.5 11.2 35.6 40.4   4.6 9.5 12.0  
 No 1354 74.8 1007 82.5 34.5 63.4 68.5   6.2 11.6 14.1  
Chemotherapy         < 0.001     < 0.001
 Yes 1217 67.2 783 64.1 23.8 54.0 60.0   3.6 8.6 11.2  
 No 594 32.8 438 35.9 38.7 61.8 64.6   10.4 16.3 18.6  
Radiotherapy         < 0.001     0.773
 Yes 929 51.3 595 48.7 21.7 52.1 58.8   4.1 10.3 13.3  
 No 882 48.7 626 51.3 36.0 61.2 64.4   7.6 12.0 13.8