Table 1 Baseline and clinical characteristics of ONFH patients in ARCO stage III (group A) and ARCO stage IV (group B)
Variables | Group A (n = 383) | Group B (n = 493) | p value |
|---|---|---|---|
Age (years) | 54.98 ± 12.89 | 55.99 ± 11.82 | 0.687 |
Sex (male), n (%) | 243 (63.4%) | 322 (65.4%) | 0.567 |
BMI (kg/m2) | 25.52 ± 3.89 | 25.48 ± 3.88 | 0.976 |
Place of residence (rural), n (%) | 194 (50.6%) | 194 (50.6%) | 0.825 |
Tobacco smoker (yes), n (%) | 49 (12.8%) | 57 (11.6%) | 0.579 |
Alcohol abuse (yes), n (%) | 61 (15.9%) | 67 (13.6%) | 0.331 |
Hormone use (yes), n (%) | 35 (9.1%) | 56 (11.4%) | 0.285 |
Hip injury experience (yes), n (%) | 93 (24.3%) | 104 (21.1%) | 0.262 |
Anti-inflammatory painkiller (yes), n (%) | 141 (36.8%) | 189 (38.3%) | 0.645 |
Hypertension (yes), n (%) | 48 (12.5%) | 73 (14.8%) | 0.333 |
Diabetes (yes), n (%) | 29 (7.6%) | 34 (6.9%) | 0.701 |
Anemia (yes), n (%) | 20 (5.2%) | 27 (5.5%) | 0.868 |
Heart disease (yes), n (%) | 18 (4.7%) | 26 (5.3%) | 0.700 |
Cerebrovascular disease (yes), n (%) | 16 (4.2%) | 31 (6.3%) | 0.169 |
Pulmonary disease (yes), n (%) | 4 (1.0%) | 8 (1.6%) | 0.465 |
Liver disease (yes), n (%) | 19 (5.0%) | 14 (2.8%) | 0.102 |
Urinary system disease (yes), n (%) | 8 (2.1%) | 7 (1.4%) | 0.449 |
Eye disease (yes), n (%) | 11 (2.9%) | 9 (1.8%) | 0.304 |
Tumor (yes), n (%) | 0 (0%) | 1 (0.2%) | 0.868 |
ASA classification (I), n (%) | 126 (32.8%) | 151 (30.6%) | 0.474 |
Anesthesia method (general), n (%) | 211 (55.1%) | 265 (53.8%) | 0.693 |
Surgery side (left), n (%) | 173 (45.1%) | 235 (47.6%) | 0.462 |