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Table 4 Univariate and multivariate analysis for healing of UBC in observed patients (n = 77)

From: Clinical factors affecting pathological fracture and healing of unicameral bone cysts

Clinical factors No. of healing (%) Univariate analysis Multivariate analysis
   P-valuea P-valueb ORc(95%CId)
Sex     
Male 18/49 (37%) p = 0.082   
Female 5/28 (18%)
Age, years     
<20 19/53 (36%) p = 0.088   
20 4/24 (17%)
Site     
Long bone 17/50 (34%) p = 0.281   
Others 6/27 (22%)
Size, cm     
5 12/31 (39%) p = 0.164   
<5 11/46 (24%)
Multilocular     
Yes 13/27 (48%) p = 0.010 n.s.  
No 10/50 (20%)
Ballooning     
Yes 15/34 (44%) p = 0.015 n.s.  
No 8/43 (19%)
Cortex     
<2 mm 17/44 (39%) p = 0.052   
2 mm 6/33 (18%)
Pathological fracture at first visit     
Yes 14/28 (50%) p = 0.004 p = 0.004 5.31 (1.73-16.31)
No 9/49 (18%)
Hisory of biopsy     
Yes 8/14 (57%) p = 0.019 p = 0.013 5.47 (1.44-20.76)
No 15/63 (24%)    
  1. achi-square test and Fisher’s exact test. bmultiple logistic regression. ORc, odds ratio. CId, confidence interval.