Table II.
General information.
| Factors | Study group (n=86) | Control group (n=86) | t/χ2 value | P-value |
|---|---|---|---|---|
| Sex | 0.024 | 0.878 | ||
| Male | 47 (54.65) | 48 (55.81) | ||
| Female | 39 (45.35) | 38 (44.19) | ||
| Age (years) | 0.023 | 0.879 | ||
| ≤51 | 41 (47.67) | 42 (48.84) | ||
| >51 | 45 (52.33) | 44 (51.16) | ||
| BMI (kg/m2) | 0.094 | 0.759 | ||
| ≤23 | 40 (45.51) | 38 (44.19) | ||
| >23 | 46 (54.49) | 48 (55.81) | ||
| History of smoking | 0.223 | 0.637 | ||
| Yes | 31 (36.05) | 34 (39.53) | ||
| No | 55 (63.95) | 52 (60.47) | ||
| Educational background | 0.097 | 0.755 | ||
| Below junior high school | 33 (38.37) | 35 (40.70) | ||
| Junior high school or above | 53 (61.63) | 51 (59.30) | ||
| Place of residence | 0.216 | 0.642 | ||
| Countryside | 49 (56.98) | 52 (60.47) | ||
| City | 37 (43.02) | 34 (39.53) | ||
| Types | 0.024 | 0.878 | ||
| Open-angle | 37 (43.02) | 38 (44.19) | ||
| Angle-closure | 49 (56.98) | 48 (55.81) | ||
| Creatinine (µmol/l) | 62.77±4.24 | 63.05±4.31 | 0.668 | 0.430 |
| Blood urea nitrogen (mmol/l) | 6.08±1.08 | 6.11±1.10 |
BMI, body mass index.