Table 1 Comparison of the baseline characteristics between the living and deceased groups with up-sampled data.
Variable | Balanced up-sampled data | ||||
|---|---|---|---|---|---|
Living (N = 713) | Deceased (N = 713) | p-value | |||
n % | n % | ||||
Age (years) | 62.51 ± 8.55 | 66.21 ± 8.31 | < 0.001 | ||
< 65 | 393 | 63.3 | 228 | 36.7 | < 0.001 |
≥ 65 | 320 | 39.8 | 485 | 60.2 | |
Sex | |||||
Female | 177 | 69.4 | 78 | 30.6 | < 0.001 |
Male | 537 | 45.8 | 635 | 54.2 | |
Monthly income (USD) | |||||
≥ 3,000 | 207 | 69.5 | 91 | 30.5 | < 0.001 |
< 3,000 | 506 | 44.9 | 622 | 55.1 | |
Education | |||||
≥ High school degree | 185 | 56.4 | 143 | 43.6 | 0.01 |
< High school degree | 528 | 48.1 | 570 | 51.9 | |
Currently married | |||||
Yes | 655 | 50 | 656 | 50 | 0.92 |
No | 58 | 50.4 | 57 | 49.6 | |
FEV1/FVC | 72.55 ± 15.11 | 65.77 ± 10.62 | < 0.001 | ||
(FEV1/FVC)*100 ≥ 0.7 | 454 | 61.7 | 282 | 38.3 | < 0.001 |
(FEV1/FVC)*100 < 0.7 | 259 | 37.5 | 431 | 62.5 | |
Local tumor invasion | |||||
No | 253 | 62.3 | 153 | 37.7 | < 0.001 |
Yes | 460 | 45.1 | 560 | 54.9 | |
Regional lymph node metastasis | |||||
No | 508 | 53.2 | 446 | 46.8 | < 0.001 |
Yes | 205 | 43.4 | 267 | 56.6 | |
Stage | |||||
Stage 0–I | 464 | 56.9 | 352 | 43.1 | < 0.001 |
Stage II–III | 249 | 40.8 | 361 | 59.2 | |
Recurrence | |||||
No | 630 | 62.8 | 373 | 37.2 | < 0.001 |
Yes | 83 | 19.6 | 340 | 80.4 | |
Number of comorbidities | |||||
0 | 320 | 49 | 333 | 51 | 0.49 |
≥ 1 | 393 | 50.8 | 380 | 49.2 | |
Treatment type | |||||
OP | 435 | 51.7 | 417 | 48.6 | < 0.001 |
OP + RT | 41 | 37.6 | 68 | 62.4 | |
OP + CT | 193 | 53.6 | 167 | 46.4 | |
OP + CT + RT | 44 | 40 | 66 | 60 | |
Time since diagnosis | 2.93 ± 1.59 | 2.983 ± 1.68 | 0.29 | ||
≥ 3 years | 307 | 53 | 272 | 47 | 0.06 |
< 3 years | 406 | 47.9 | 441 | 52.1 | |
