Epidemiology of Hospitalized Traumatic Pelvic Fractures and Their Combined Injuries in Taiwan: 2000–2011 National Health Insurance Data Surveillance

Table 6

Multiple logistic regression model^a of treated-at-medical centers and multilevel analysis (HLM method)^b of inhospital mortality among the hospitalized pelvic fractures in Taiwan.

	Dependent variable = treated-at-medical centers^a				Dependent variable = inhospital mortality^b
	𝛽 value	𝑃 value	AOR (95% CI)		𝛽 value	𝑃 value	AOR (95% CI)
Gender (male versus female)*	0.151	0.000	1.116 (1.116–1.211)		0.003	0.024	1.003 (1.000–1.005)
Age (years)*	−0.010	0.000			0.000	0.004
Additional injuries*
Simple pelvic fractures (fx)			1.0				1.0
Pelvic fx with injury group-(1)	0.437	0.000	1.547 (1.365–1.754)		0.039	0.000	1.040 (1.027–1.053)
Pelvic fx with injury group-(2)	0.203	0.000	1.225 (1.111–1.351)		0.005	0.016	1.005 (1.001–1.009)
Pelvic fx with injury group-(3)	0.341	0.000	1.407 (1.287–1.539)		0.004	0.038	1.004 (1.000–1.008)
Pelvic fx with injury group-(4)	0.527	0.000	1.694 (1.569–1.828)		0.013	0.000	1.013 (1.009–1.017)
Pelvic fx with injury group-(7)	0.999	0.000	2.715 (2.414–3.054)		0.062	0.000	1.064 (1.051–1.077)
Pelvic fx with injury group-(8)	0.849	0.000	2.337 (2.134–2.559)		0.052	0.000	1.053 (1.040–1.067)
Pelvic fx with other injuries	−0.219	0.000	0.803 (0.762–0.847)		0.013	0.000	1.013 (1.010–1.017)
Hospital level**
District hospital							1.0
Regional hospital					−0.008	0.000	0.992 (0.989–0.995)
Medical center					0.010	0.007	1.010 (1.003–1.017)

∗Individual level.
∗∗Cluster level.