Table 1.
Comparison of baseline data
| Research group (n=43) | Control group (n=35) | x2 or t/p | |
|---|---|---|---|
| Age (Y) | 52.6±2.9 | 51.5±3.4 | 1.542/0.127 |
| BMI (KG/cm2) | 23.2±2.4 | 23.5±2.7 | 0.519/0.605 |
| Gender | 0.078/0.780 | ||
| Male | 32 (74.42%) | 27 (77.14%) | |
| Female | 11 (25.58%) | 8 (22.86%) | |
| Cause of disease | 0.107/0.948 | ||
| Biliary | 28 (65.12) | 24 (68.57) | |
| Hyperlipidemic | 8 (18.60) | 6 (17.14) | |
| Alcoholic | 7 (16.28) | 5 (14.29) | |
| Smoking history | 0.104/0.748 | ||
| Present | 28 (65.12%) | 24 (68.57%) | |
| Absent | 15 (34.88%) | 11 (31.43%) | |
| Drinking history | 0.042/0.838 | ||
| Present | 34 (79.07%) | 27 (77.14%) | |
| Absent | 9 (20.93%) | 8 (22.86%) | |
| Living environment | 1.794/0.180 | ||
| Town | 30 (69.77%) | 29 (82.86%) | |
| Countryside | 13 (30.23%) | 6 (17.14%) | |
| Ethnicity | 0.259/0.611 | ||
| Han | 35 (81.40%) | 30 (85.71%) | |
| Minority | 8 (18.60%) | 5 (14.29%) | |
| Past medical history | |||
| Hypertension | 15 (34.88) | 10 (28.57) | 0.018/0.891 |
| Hyperlipidemia | 17 (39.54) | 13 (50.00) | 0.046/0.829 |
| Diabetes | 14 (32.56) | 17 (48.57) | 2.066/0.151 |
| Cholelithiasis | 10 (23.26) | 6 (17.14) | 0.442/0.506 |
Note: Chi-square test was used for counting data and t-test was used for measurement data.