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Table 1 Baseline characteristics of the patients

From: Combining autologous bone marrow buffy coat and angioconductive bioceramic rod grafting with advanced core decompression improves short-term outcomes in early avascular necrosis of the femoral head: a prospective, randomized, comparative study

Variable Group A (N = 17) Group B (N = 23) P value
Number of hips 22 29  
Age, years 35.4 ± 11.1 39.4 ± 10.4 0.252
Sex    0.605
 Male 12 (70.6%) 19 (82.6%)
 Female 5 (29.4%) 4 (17.4%)
Weight (kg) 65.6 ± 14.7 65.3 ± 7.7 0.949
Hip involved unilateral 12 (70.6%) 17 (73.9%) 1.000
Hip involved bilateral 5 (29.4%) 6 (26.1%)
Etiology    0.080
 Steroid 8 (36.4%) 3 (10.3%)
 Alcohol 5 (22.7%) 9 (31.1%)
 Idiopathic 9 (40.9%) 17 (58.6%)
Ficat stage    0.114
 Stage I 1 (4.5%) 1 (3.4%)
 Stage II 19 (86.4%) 20 (69.0%)
 Stage III 2 (9.1%) 6 (20.7%)
 Stage IV 0 (0) 2 (6.9%)
Pain scores 17.7 ± 4.3 17.6 ± 5.1 0.917
Function scores 49.5 ± 7.8 50.9 ± 9.0 0.550
Harris Hip Scores 67.2 ± 9.2 68.5 ± 13.1 0.678
  1. Group A, bone marrow buffy coat graft group; group B, control group