Table 1.
Baseline demographics and clinical characteristics (n=120).
| Characteristic | GROUP nICT No. (%) | GROUP S No. (%) | X2/t | p |
|---|---|---|---|---|
| Number | 47 | 73 | ||
| Age | -1.624 | 0.107 | ||
| Median | 65 | 67 | ||
| Range | 46–77 | 49–79 | ||
| Gender | 1.635 | 0.201 | ||
| Male | 34 (72.3) | 60 (82.2) | ||
| Female | 13 (27.7) | 13 (17.8) | ||
| Smoker | 1.894 | 0.169 | ||
| Yes | 25 (53.2) | 48 (65.8) | ||
| No | 22 (46.8) | 25 (34.2) | ||
| Drinker | 0.798 | 0.372 | ||
| Yes | 18 (38.3) | 34 (46.6) | ||
| No | 29 (61.7) | 39 (53.4) | ||
| Comorbidities | ||||
| Hypertension | 13 (27.7) | 16 (21.9) | 0.514 | 0.473 |
| Diabetes mellitus | 4 (8.5) | 5 (6.8) | 0.114 | 0.736 |
| Coronary disease | 4 (8.5) | 10 (13.7) | 0.747 | 0.388 |
| Tumour location | 4.440 | 0.109 | ||
| Upper | 5 (10.6) | 5 (6.8) | ||
| Middle | 33 (70.2) | 41 (56.2) | ||
| Lower | 9 (19.1) | 27 (37) | ||
| Clinical T stage | 8.391 | 0.015 | ||
| cT2 | 3 (6.4) | 11 (15.1) | ||
| cT3 | 24 (51.1) | 48 (65.8) | ||
| cT4a | 20 (42.6) | 14 (19.2) | ||
| Clinical N stage | 12.646 | 0.002 | ||
| cN0 | 16 (34.0) | 37 (50.7) | ||
| cN1 | 22 (46.8) | 35 (47.9) | ||
| cN2 | 9 (19.1) | 1 (1.4) | ||
| Clinical stage group | 7.791 | 0.020 | ||
| II | 15 (31.9) | 35 (47.9) | ||
| III | 12 (25.5) | 24 (32.9) | ||
| IVA | 20 (42.6) | 14 (19.2) | ||