Table 1 Demographic information of the included patients
Clinical subjects | Number of patients | Proportion (%) |
|---|---|---|
Age, (years) | ||
 18–45 | 51 | 5.44 |
 46–65 | 572 | 60.98 |
  > 65 | 315 | 33.58 |
Gender | ||
 Female | 388 | 41.36 |
 Male | 550 | 58.64 |
Marital status | ||
 Married | 933 | 99.47 |
 Unmarried | 5 | 0.53 |
History of smoking | ||
 None | 436 | 46.48 |
 Yes | 501 | 53.41 |
 Unknown | 1 | 0.11 |
Alcohol consumption | ||
 None | 703 | 74.95 |
 Yes | 234 | 24.94 |
 Unknown | 1 | 0.11 |
Family history of tumor | ||
 None | 754 | 80.38 |
 Yes | 183 | 19.51 |
 Unknown | 1 | 0.11 |
KPS | ||
 10–40 | 7 | 0.75 |
 50–70 | 128 | 13.65 |
 80–100 | 395 | 42.11 |
 Unknown | 408 | 43.49 |
Lymph node metastasis | ||
 None | 368 | 39.23 |
 Yes | 537 | 57.25 |
 Unknown | 33 | 3.52 |
Pathology | ||
 Small-cell | 69 | 7.36 |
 Adenocarcinoma | 331 | 35.29 |
 Squamous cell | 124 | 13.22 |
 Large cell | 13 | 1.38 |
 Mixed | 22 | 2.34 |
 Others (unknown) | 379 | 40.41 |
ALP | ||
  < 102.00 mmol/L | 347 | 36.99 |
  ≥ 102.00 mmol/L | 355 | 37.85 |
 Unknown | 236 | 25.16 |
LDH | ||
  < 215.00 U/L | 420 | 44.78 |
  ≥ 215.00 U/L | 438 | 46.70 |
 Unknown | 80 | 8.52 |
CEA | ||
  < 15.64 ng/ml | 404 | 43.07 |
  ≥ 15.64 ng/ml | 405 | 43.18 |
 Unknown | 129 | 13.75 |
SCC | ||
  < 0.80 ng/ml | 402 | 42.86 |
  ≥ 0.80 ng/ml | 404 | 43.07 |
 Unknown | 132 | 14.07 |
Cyfra21–1 | ||
  < 4.93 ng/ml | 401 | 42.75 |
  ≥ 4.93 ng/ml | 401 | 42.75 |
 Unknown | 136 | 14.50 |
NSE | ||
  < 16.67 ng/ml | 401 | 42.75 |
  ≥ 16.67 ng/ml | 402 | 42.86 |
 Unknown | 135 | 14.39 |