Table 10.

Binary logistic regression analysis for SVCF.

No.	Items	B	Exp(B)	P-value	95% CI for Exp(B)
X1	Age	0.91	2.48	0.031	(1.16, 3.80)
X2	BMD	−1.18	0.31	<0.001	(0.06, 0.56)
X3	ODA	−0.97	0.38	0.001	(0.11, 0.65)
X4	RD	0.15	1.16	0.241	(0.14, 2.18)
X5	BCL	0.22	1.25	0.506	(0.31, 2.19)
X6	AOT	−0.43	0.65	0.147	(0.13, 1.17)
X0	Constant	1.03	2.80	0.000	–

SVCF – secondary vertebral compression fracture; BMD – bone mineral density; ODA – outdoor activity; RD – regional distribution; BCL – bone cement leakage; AOT – anti-osteoporosis treatment. Logit(P)=1.03+0.91X₁–1.18X₂–0.97X₃ [X₁=age: age <60 (value: 0), 60≤ age <70 (value: 1), 70≤ age <80 (value: 2), age ≥80 (value: 3); X₂=BMD: <20 (value: 0), 20≤ BMD <40 (value: 1), 40≤ BMD <60 (value: 2), 60≤ BMD <80 (value: 3); X₃=ODA: low level, <0.5 hour/day (value: 0), medium level, 0.5≤ ODA <2 hour/day (value: 1), high level, ODA ≥2 hour/day (value: 2)].