Table I.
General data [mean ± SD, n (%)].
| Indicators | Observation group (n=46) | Control group (n=18) | t/χ2 | P-value |
|---|---|---|---|---|
| Age (years) | 40.35±5.68 | 39.85±6.12 | 0.310 | 0.758 |
| Sex | 1.010 | 0.396 | ||
| Male | 19 (41.30) | 5 (27.78) | ||
| Female | 27 (58.70) | 13 (72.22) | ||
| BMI (kg/m2) | 21.65±1.47 | 21.58±1.73 | 0.163 | 0.871 |
| Smoking | 2.046 | 0.246 | ||
| Yes | 19 (41.30) | 4 (22.22) | ||
| No | 27 (58.70) | 14 (77.78) | ||
| Drinking | 1.274 | 0.377 | ||
| Yes | 17 (36.96) | 4 (22.22) | ||
| No | 29 (63.04) | 14 (77.78) | ||
| Place of residence | 2.029 | 0.230 | ||
| Countryside | 12 (26.09) | 8 (44.44) | ||
| City | 34 (73.91) | 10 (55.56) | ||
| History of gastrointestinal infection | 9.847 | 0.003a | ||
| Yes | 40 (86.96) | 7 (38.89) | ||
| No | 6 (13.04) | 11 (61.11) |
a
P<0.05, compared within the group. BMI, body mass index.