Table 1.
Association between clinicopathological characteristics and Ki‐67 status
| Clinicopathological characteristics | Total | Ki‐67 status | P | |
|---|---|---|---|---|
| Low (n = 54) | High (n = 56) | |||
| Age (mean, range) | 62 (36–77) | 62 (36–77) | 62 (42–76) | 0.73 |
| Gender (n, %) | ||||
| Male | 71 (64.5) | 29 (41.8) | 42 (59.1) | 0.02 |
| Female | 39 (35.5) | 25 (64.1) | 14 (35.9) | |
| Smoking history (n, %) | ||||
| Never smokers | 36 (32.7) | 24 (66.7) | 12 (33.3) | 0.01 |
| Smokers | 74 (67.3) | 30 (40.5) | 44 (59.5) | |
| Pathological type (n, %) | ||||
| Squamous cell carcinoma | 25 (22.7) | 12 (48.0) | 13 (52.0) | 0.26 |
| Adenocarcinoma | 62 (56.4) | 34 (54.8) | 28 (45.2) | |
| Neuroendocrine tumors | 23 (20.9) | 8 (34.8) | 15 (65.2) | |
| Stage (n, %) | ||||
| I or II | 90 (81.8) | 46 (64.4) | 44 (35.6) | 0.37 |
| III or IV | 20 (18.2) | 8 (55.0) | 12 (45.0) | |