Table 1.
Comparison of general data between the two groups of patients
| Data | Control group (n=36) | Observation group (n=44) | t/χ2 value | P value |
|---|---|---|---|---|
| Sex | 0.101 | 0.750 | ||
| Male | 20 (55.56) | 26 (59.09) | ||
| Female | 16 (44.44) | 18 (40.91) | ||
| Average age (years) | 50.94±7.43 | 53.86±8.23 | 1.649 | 0.103 |
| Course of disease (months) | 7.17±1.03 | 7.41±1.13 | 0.983 | 0.329 |
| Lesion location | 0.425 | 0.514 | ||
| Left knee | 19 (52.78) | 20 (45.45) | ||
| Right knee | 17 (47.22) | 24 (54.55) | ||
| ICRS grading | 4.310 | 0.116 | ||
| I+II | 10 (27.78) | 6 (13.64) | ||
| III | 20 (55.56) | 23 (52.27) | ||
| IV | 6 (16.67) | 15 (34.09) |
Note: ICRS, International Cartilage Repair Society.