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Table 1 Comparison of baseline characteristics in three groups

From: Degradation of subchondral bone collagen in the weight-bearing area of femoral head is associated with osteoarthritis and osteonecrosis

  FNF group (n = 10) OA group (n = 10) ONFH group (n = 10) P value
Age 62~70 (65.4 ± 2.76) 60~70 (64.6 ± 3.10) 60~69 (64.9 ±2.88) 0.843
Gender(male/female) 4/6 7/3 6/4 0.531
BMD(T-score) − 2.3~− 1.1
(− 1.83 ± 0.41)
− 2.4~− 1.4
(− 1.78 ± 0.32)
− 2.4~− 1.2 (− 1.82 ± 0.40) 0.957
Left/Right BMI 7/3
19.26~25.08
(22.40 ± 2.55)
5/5
20.18~25.30
(23.15 ± 2.09)
6/4
18.94~24.21
(22.05 ± 2.15)
0.893
0.458
  1. FNF femoral neck fracture, OA osteoarthritis, ONFH osteonecrosis of femoral head, BMD bone mineral density, BMI body mass index
  2. p < 0.05