Table 5.
Patient’s characteristic, overall and according to the time of enrollment
| Variable | Overall | Original patients group | Added patients group | P value |
|---|---|---|---|---|
| no. (%) | no. (%) | no. (%) | ||
| Total | 78(100%) | 31(39.7%) | 47(60.3%) | |
| Age | 0.246 | |||
| ≤ 55 | 32(41.1%) | 16(50.0%) | 16(50.0%) | |
| > 55 | 46(58.9%) | 15(32.6%) | 31(67.4%) | |
| Gender | 0.793 | |||
| Male | 64(82.1%) | 25(39.1%) | 39(60.9%) | |
| Female | 14(17.8%) | 6(42.9%) | 8(57.1%) | |
| Smoking history | 0.978 | |||
| Non-smoker | 20(25.6%) | 8(40.0%) | 12(60.0%) | |
| Smoker | 58(74.4%) | 23(39.7%) | 35(60.3%) | |
| Histology | 0.661 | |||
| Adenocarcinoma | 30(38.5%) | 11(36.7%) | 19(63.3%) | |
| Non-adenocarcinoma | 48(61.5%) | 20(41.7%) | 28(58.3%) | |
| Histologic grading | 0.549 | |||
| Poorly | 37(47.4%) | 16(43.2%) | 21(56.8%) | |
| Moderate and well | 41(52.6%) | 15(36.6%) | 26(63.4%) | |
| Venous invasion | 0.347 | |||
| Negative | 62(79.5%) | 23(37.1%) | 39(62.9%) | |
| Positive | 16(20.5%) | 8(50.0%) | 8(50.0%) | |
| Pathological stage | 0.744 | |||
| I/II | 41(52.6%) | 17(41.5%) | 24(58.5%) | |
| III | 37(47.4%) | 14(37.8%) | 23(62.2%) |
P value was calculated using Pearson’s χ2 test