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Table 3 Univariate and multivariate analysis of pathological fracture (n = 155)

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

Clinical factors No. of fractures (%) Univariate analysis Multivariate analysis
   P-valuea P-valueb ORc(95%CId)
Sex     
Male 47/101 (47%) p = 0.006 p = 0.013 3.13 (1.27-7.68)
Female 13/54 (24%)
Age, years     
<20 53/114 (46%) p = 0.001 n.s.  
20 7/41 (17%)
Site     
Long bone 55/100 (55%) p < 0.001 p = 0.012 4.33 (1.39-13.54)
Others 5/55 (9%)
Size, cm     
5 37/66 (56%) p < 0.001 n.s.  
<5 23/89 (26%)
Multilocular     
Yes 39/66 (59%) p < 0.001 p = 0.040 2.45 (1.04-5.76)
No 21/89 (24%)
Ballooning     
Yes 49/79 (62%) p < 0.001 p = 0.011 3.32 (1.31-8.37)
No 11/76 (14%)
Cortex     
<2 mm 52/94 (55%) p < 0.001 p = 0.017 3.36 (1.24-9.13)
2 mm 8/61 (13%)    
  1. achi-square test and Fisher’s exact test. bmultiple logistic regression. ORc, odds ratio. CId, confidence interval.