Table 1 Basic characteristics of patients in the PG compared with CG
Variable | PG (n=53) | CG (n=106) | p value | 95% CI for difference in means | ||
|---|---|---|---|---|---|---|
Gender (male/female) | 42/11 | 84/22 | 1 | |||
Age | 47.3±11.8 | 47.6±11.3 | 0.872 | -4.13 to 3.51 | ||
BMI | 25.3±3.3 | 25.3±3.9 | 0.943 | -1.27 to 1.18 | ||
Simultaneous surgery (%) | 25 | 34 | 0.063 | |||
Etiology | 0.961 | |||||
Alcohol | 19 | 38 | ||||
Corticosteroid | 14 | 30 | ||||
Idiopathic | 20 | 38 | ||||
ARCO classification | ||||||
Left | III | 21 | 43 | 0.909 | ||
IV | 32 | 63 | ||||
Right | III | 26 | 49 | 0.736 | ||
IV | 27 | 57 | ||||
Disease duration (month) | 57.0±78.3 | 69.1±69.5 | 0.323 | -36.18 to 12.01 | ||
Harris hip score | ||||||
Left | 58.7±11.8 | 59.2±12.2 | 0.845 | -5.34 to 4.38 | ||
Right | 58.8±15.8 | 61.1±12.7 | 0.419 | -7.97 to 3.34 | ||
Follow-up period (month) | 37.8±7.3 | 36.7±5.9 | 0.322 | -1.05 to 3.19 | ||