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. Author manuscript; available in PMC: 2015 Apr 1.
Published in final edited form as: J Bone Miner Res. 2015 Apr;30(4):647–656. doi: 10.1002/jbmr.2390

Table 1.

Baseline characteristics of study participants and osteonecrosis.

Characteristics Combination treatment Controls P value
Characteristics of study participants
 Number of patients 30 25 N/A
 Age (years)* 34.60 (11.50) 36.12 (11.34) 0.732
 Male:female 17:13 13:12 0.729
Characteristics of osteonecrosis
 Number of hips 48 41 N/A
 Etiologic Factors – hips (%)
  Alcohol 18 (37.50) 14 (34.15)
  Steroids 16 (33.33) 15 (36.59) 0.986
  Idiopathic 14 (29.17) 12 (29.26)
 Harris hip score 62.70 (11.12) 64.56 (8.55) 0.461
 ARCO stage – hips (%)
  I 8 (16.67) 10 (24.39)
  II 29 (60.42) 23 (56.10) 0.420
  IIIA 11 (22.91) 8 (19.51)

Data are number of patients or affected hips unless indicated otherwise.

*

Mean (standard deviation).