Table 1.
Clinical characteristics of GC patients and healthy controls.
| Variables | Original population | Matching population | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Cases (n = 134) | Controls (n = 58) | t/χ2 | P | Cases (n = 44) | Controls (n = 44) | t/χ2 | P | ||
| Age (year) | Mean ± SD | 64.5 ± 9.2 | 65.9 ± 9.4 | 0.930 | 0.353 | 64.8 ± 9.8 | 63.8 ± 9.7 | 0.439 | 0.662 |
| Gender | Male | 109 (81.3%) | 44 (75.9%) | 0.751 | 0.386 | 30 (68.2%) | 30 (68.2%) | 0.000 | 1.000 |
| Female | 25 (18.7%) | 14 (24.1%) | 14 (31.8%) | 14 (31.8%) | |||||
| Eating speed | <10 min | 65 (48.5%) | 13 (22.4%) | 11.426 | 0.001 | 14 (31.8%) | 13 (29.5%) | 0.053 | 0.817 |
| ≥10 min | 69 (51.5%) | 45 (77.6%) | 30 (68.2%) | 31 (70.5%) | |||||
| Salty foods | Yes | 60 (44.8%) | 9 (15.5%) | 15.052 | <0.001 | 11 (25.0%) | 9 (20.5%) | 0.259 | 0.611 |
| No | 74 (55.2%) | 49 (84.5%) | 33 (75.0%) | 35 (79.5%) | |||||
| Fried foods | Yes | 109 (81.3%) | 41 (70.7%) | 2.688 | 0.101 | 31 (70.5%) | 30 (68.2%) | 0.053 | 0.817 |
| No | 25 (18.7%) | 17 (29.3%) | 13 (29.5%) | 14 (31.8%) | |||||
| Fruits | Yes | 51 (38.1%) | 46 (79.3%) | 27.555 | <0.001 | 29 (65.9%) | 32 (72.7%) | 0.481 | 0.488 |
| No | 83 (61.9%) | 12 (20.7%) | 15 (34.1%) | 12 (27.3%) | |||||
| Smoking | Yes | 86 (64.2%) | 14 (24.1%) | 26.005 | <0.001 | 14 (31.8%) | 14 (31.8%) | 0.000 | 1.000 |
| No | 48 (35.8%) | 44 (75.9%) | 30 (68.2%) | 30 (68.2%) | |||||
| Drinking | Yes | 81 (60.4%) | 22 (37.9%) | 8.253 | 0.004 | 17 (38.6%) | 20 (45.5%) | 0.420 | 0.517 |
| No | 53 (39.6%) | 36 (62.1%) | 27 (61.4%) | 24 (54.5%) | |||||