Table 1 Characteristics of patients with LC and healthy individuals

Age (years)

Mean ± SD

60.18 ± 9.91

59.87 ± 9.30

0.058^a

≤ 60

318 (47.6%)

302 (45.0%)

> 60

350 (52.4%)

369 (55.0%)

Gender

Male

460 (68.9%)

457 (68.1%)

0.766^b

Female

208 (31.1%)

214 (31.9%)

Smoking status

Yes

351 (52.5%)

357 (53.2%)

0.809^b

No

317 (47.5%)

314 (46.8%)

Drinking status

Yes

351 (52.5%)

361 (53.8%)

0.645^b

No

317 (47.5%)

310 (46.2%)

Tumor staging

III/IV

397 (59.0%)

-

-

I/II

270 (40.0%)

-

-

Metastasis

Yes

380 (56.9%)

-

-

No

64 (9.6%)

-

-

Type of cancer

LUSC

215 (32.2%)

-

-

LUAD

325 (48.7%)

-

-