Table 2.
Preoperative data of two groups of patients
| Factors | Control group | Case group | χ2 value | p value |
|---|---|---|---|---|
| Diagnosis (n, %) | ||||
| Femoral neck fracture | 75 (57.3%) | 40 (50.0%) | 3.372 | 0.643 |
| Intertrochanteric fracture of femur | 11 (8.4%) | 11 (13.8%) | ||
| Osteonecrosis of femoral head | 21 (16.0%) | 11 (13.8%) | ||
| Osteoarthritis of hip | 17 (13.0%) | 15 (18.7%) | ||
| Congenital dysplasia of hip joint | 7 (5.3%) | 3 (3.8%) | ||
| ASA score (n, %) | ||||
| 1 | 7 (5.3%) | 0 (0.0%) | 7.517 | 0.023 |
| 2 | 89 (67.9%) | 48 (60.0%) | ||
| 3 | 35 (26.7%) | 32 (40.0%) | ||
| Cardiac function (n, %) | ||||
| 1 | 45 (34.4%) | 1 (1.3%) | 31.92 | <0.001 |
| 2 | 76 (58.0%) | 70 (87.5%) | ||
| 3 | 10 (7.6%) | 9 (11.2%) | ||
| Mode of operation (n,%) | ||||
| THA | 75 (57.3%) | 43 (53.8%) | 0.247 | 0.619 |
| HHA | 56 (42.7%) | 37 (46.2%) | ||
| Anesthetic mode (n, %) | ||||
| General anesthesia | 94 (71.8%) | 57 (71.2%) | 0.006 | 0.937 |
| CSEA | 37 (28.2%) | 23 (28.8%) | ||