Table 2.
Comparison of two groups of general information (n, x̅ ± sd)
| Group | Control group (n=43) | Research group (n=43) | χ2/t | P |
|---|---|---|---|---|
| Male/female | 16/27 | 14/29 | 0.205 | 0.651 |
| Age (years) | 53.4±5.7 | 52.1±6.1 | 1.021 | 0.310 |
| Course of disease (years) | 5.3±4.3 | 5.8±4.1 | 0.552 | 0.583 |
| BMI (kg/m2) | 22.98±2.37 | 23.37±2.25 | 0.783 | 0.436 |
| Education | 0.511 | 0.537 | ||
| Junior high school and below | 16 | 13 | ||
| High school and technical secondary school | 17 | 21 | ||
| Junior college and above | 10 | 9 | ||
| Lesion location | 0.321 | 0.725 | ||
| Left | 18 | 17 | ||
| Right | 20 | 23 | ||
| Bilateral | 5 | 3 | ||
| Kellgren-Lawrence grade | 0.796 | 0.372 | ||
| Grade II | 29 | 25 | ||
| Grade III | 14 | 18 | ||
| Complications | ||||
| Diabetes | 7 | 5 | 0.387 | 0.534 |
| Hypertension | 12 | 11 | 0.059 | 0.808 |
| Osteoporosis | 19 | 21 | 0.187 | 0.665 |
| Family monthly income (yuan/month) | 0.580 | 0.748 | ||
| <5000 | 15 | 12 | ||
| 5000-8000 | 20 | 21 | ||
| >8000 | 8 | 10 | ||
| Live alone | 12 | 15 | 0.486 | 0.486 |
Note: Body mass index.