Table 1.
General data of the two groups
| Class | Observation group (n=37) | Control group (n=33) | t/χ2 | P |
|---|---|---|---|---|
| Gender | 0.892 | 0.345 | ||
| Male | 21 (56.76) | 15 (45.45) | ||
| Female | 16 (43.24) | 18 (54.55) | ||
| Age (years old) | 30.36±11.42 | 30.17±10.37 | 0.072 | 0.942 |
| BMI (kg/m2) | 24.37±1.28 | 23.89±1.46 | 1.466 | 0.147 |
| Heart rate (beats) | 105.66±11.49 | 105.81±11.58 | 0.054 | 0.957 |
| Urea nitrogen (mmol/L) | 13.14±3.55 | 13.16±3.73 | 0.022 | 0.982 |
| Place of residence | 0.1269 | 0.356 | ||
| Cities | 14 (37.84) | 13 (39.39) | ||
| Countryside | 18 (48.65) | 20 (60.61) | ||
| Smoking history | 1.266 | 0.260 | ||
| with | 6 (16.22) | 9 (27.27) | ||
| without | 31 (83.78) | 24 (72.73) | ||
| Exercise habit | 0.016 | 0.899 | ||
| with | 14 (37.84) | 12 (36.36) | ||
| without | 23 (62.16) | 21 (63.64) | ||
| History of alcoholism | 0.425 | 0.515 | ||
| with | 6 (16.22) | 8 (24.24) | ||
| without | 31 (83.78) | 28 (84.85) |