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Table 6 Univariate analysis for healing of UBC in humerus (n = 54)

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 26/42 (62%) p = 0.539   
Female 7/12 (58%)
Age, years     
<20 29/46 (63%) p = 0.374   
20 4/8 (50%)
Phase     
Active 9/21 (43%) p = 0.028 p = 0.011 0.16 (0.04-0.65)
Latent 24/33 (73%)
Size, cm     
5 19/31 (61%) p = 0.975   
<5 14/23 (61%)
Multilocular     
Yes 21/34 (62%) p = 0.898   
No 12/20 (60%)
Ballooning     
Yes 28/41 (68%) p = 0.055   
No 5/13 (38%)
Cortex     
< 2 mm 28/46 (61%) p = 0.626   
2 mm 5/8 (63%)
Pathological fracture at first visit     
Yes 27/43 (63%) p = 0.433   
No 6/11 (55%)
Hisory of biopsy     
Yes 8/12 (67%) p = 0.461   
No 25/42 (60%)
Treatments     
Surgery 18/23 (78%) p = 0.026 p = 0.011 6.90 (1.57-30.33)
Observation 15/31 (48%)    
  1. achi-square test and Fisher’s exact test. bmultiple logistic regression. ORc, odds ratio. CId, confidence interval.