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%) | |||