Table 1:
The comparison of the clinical data of the patients in two groups [n (%)]
| Variable | The study group (n=287) | The control group (n=200) | t/2 | P |
|---|---|---|---|---|
| Age (yr) | 47.82±10.54 | 46.33±9.84 | 1.577 | 0.116 |
| BMI (kG/m2) | 22.84±4.2 | 22.17±5.04 | 1.592 | 0.112 |
| Platelet (×109cells/L) | 228.21±50.14 | 220.42±57.21 | 1.591 | 0.112 |
| Red blood cell (×1012cells/L) | 4.66±0.64 | 4.72±0.51 | 1.104 | 0.270 |
| White blood cell (×109cells/L) | 8.15±1.17 | 7.96±1.34 | 1.660 | 0.098 |
| Gender: Male | 184 (64.11) | 142 (71.00) | 2.527 | 0.112 |
| Female | 103 (35.89) | 58 (29.00) | ||
| Nationality: Han nationality | 282 (98.26) | 198 (99.00) | 0.458 | 0.498 |
| Minority | 5 (1.74) | 2 (1.00) | ||
| Residence: City | 235 (81.88) | 172 (86.00) | 1.456 | 0.228 |
| Countryside | 52 (18.12) | 28 (14.00) | ||
| Marriage: Married | 261 (90.94) | 175 (87.50) | 1.488 | 0.223 |
| Unmarried | 26 (9.06) | 25 (12.50) | ||
| Smoking: Yes | 197 (68.64) | 150 (75.00) | ||
| No | 90 (31.36) | 50 (25.00) | ||
| Drinking: Yes | 212 (73.87) | 142 (71.00) | 0.488 | 0.485 |
| No | 75 (26.13) | 58 (29.00) | ||
| Exercise: Yes | 31 (10.80) | 26 (13.00) | 0.551 | 0.458 |
| No | 256 (89.20) | 174 (87.00) | ||
| TNM staging*: I∼II | 168 (58.54) | |||
| III∼IV | 119 (41.46) | |||
| Differentiation degree | ||||
| Middle differentiation and low differentiation | 157 (54.70) | |||
| High differentiation | 130 (45.30) | |||
| Lymph node metastasis | ||||
| Yes | 108 (37.63) | |||
| No | 179 (62.37) | |||
| Infiltration degree | ||||
| Infiltrating to serosa | 139 (48.43) | |||
| Not infiltrating to serosa | 148 (51.57) | |||
| The type of tumor | ||||
| Villous adenoma | 125 (43.55) | |||
| Villous adenoma | 125 (43.55) | |||
Note: TNM staging criteria refer to AJCC cancer staging manual (14)