Table II.
Comparison of general clinical data between the two groups (mean ± SD) [n (%)].
| Clinical factors | Control group (n=80) | Observation group (n=78) | t/χ2 value | P-value |
|---|---|---|---|---|
| BMI (kg/m2) | 23.98±1.26 | 24.36±1.57 | 1.68 | 0.095 |
| Heart rate (times/points) | 105.61±11.53 | 105.79±11.66 | 0.098 | 0.922 |
| Urea nitrogen (mmol/l) | 12.97±3.51 | 13.16±3.71 | 0.331 | 0.741 |
| Age | 49.67±5.68 | 50.45±4.71 | 0.938 | 0.35 |
| Tumor staging | 0.239 | 0.625 | ||
| I+II | 39 (48.75) | 35 (44.87) | ||
| IIIa+IIIb | 41 (51.25) | 43 (55.13) | ||
| Borrmann classification | 0.534 | 0.465 | ||
| I+II | 37 (46.25) | 32 (41.03) | ||
| III+IV | 43 (53.75) | 46 (58.97) | ||
| Sex | 0.143 | 0.378 | ||
| Male | 45 (56.25) | 42 (53.85) | ||
| Female | 35 (43.75) | 36 (46.15) | ||
| Drinking history | 0.38 | 0.617 | ||
| Yes | 51 (63.75) | 47 (60.26) | ||
| No | 29 (36.25) | 31 (39.74) | ||
| Degree of differentiation | 0.355 | 0.837 | ||
| Differentiated type | 21 (26.25) | 21 (26.92) | ||
| Poorly differentiated | 32 (40) | 34 (43.59) | ||
| Undifferentiated type | 27 (33 75) | 23 (29.49) | ||
| Lymph node metastasis | 0.894 | 0.345 | ||
| Yes | 46 (57.5) | 39 (50) | ||
| No | 34 (42.5) | 39 (50) | ||
| Degree of differentiation | 0.261 | 0.61 | ||
| High school and below | 11 (13.75) | 13 (16.67) | ||
| Over Senior High School | 69 (86.25) | 65 (83.33) | ||
| History of smoking | 0.23 | 0.632 | ||
| No | 41 (51.25) | 37 (47.44) | ||
| Yes | 39 (48.75) | 41 (52.56) |