| Characteristic | n (%) | p-value | ||
| TTR | miR-145# | miR-367# | ||
| Sex | ||||
| Male | 58 (82.9) | 0.02 | 0.535 | 0.545 |
| Female | 12 (17.1) | |||
| Age years | ||||
| ≤65 | 31 (44.3) | 0.965 | 0.050 | 0.655 |
| >65 | 39 (55.7) | |||
| Performance status | ||||
| 0 | 7 (10) | 0.861 | 0.5 | 0.277 |
| 1 | 63 (90) | |||
| Stage | ||||
| I | 44 (62.9) | 0.374 | 0.758 | 0.874 |
| II | 12 (17.1) | |||
| III | 14 (20) | |||
| Histology | ||||
| Adenocarcinoma | 36 (51.4) | 0.49 | 0.364¶ | 0.926¶ |
| Squamous cell carcinoma | 28 (40) | |||
| Others | 6 (8.6) | |||
| Type of surgery | ||||
| Lobectomy/bilobectomy | 59 (84.3) | 0.27 | ||
| Pneumonectomy | 5 (7.1) | |||
| Atypical resection | 6 (8.6) | |||
| Smoking history | ||||
| Current smoker | 22 (31.4) | 0.184 | 0.082 | 0.587 |
| Former smoker | 40 (57.1) | |||
| Never-smoker | 6 (8.6) | |||
| Unknown | 2 (2.9) | |||
| Adjuvant chemotherapy | ||||
| Yes | 15 (21.4) | 0.774 | ||
| No | 55 (78.6) | |||
| Relapse | ||||
| No | 47 (67.1) | |||
| Yes | 23 (32.9) | |||
| p53 mutated | ||||
| Yes | 13 (20.3) | 0.002 | 0.009 | 0.555 |
| No | 51 (79.7) | |||
TTR: time to relapse. #: t-test was used to compare miRNA levels with variables with two values and ANOVA for variables with more than two values; ¶: adenocarcinoma was compared only with squamous cell carcinoma.