Investigation of complications secondary to chest compressions before and after the 2010 cardiopulmonary resuscitation guideline changes by using multi-detector computed tomography: a retrospective study

Table 4 Multivariable logistic regression of associations with rib fracture

	Without CPR time		Without location
Independent variables	OR (95% CI)	p-value	OR (95% CI)	p-value
Age	1.087 (1.06, 1.12)	0.06	1.079 (1.054, 1.109)	<0.001
Total CPR time			1.063 (1.028, 1.104)	0.001
Location of arrest	0.106 (0.032, 0.307)	0.77
Before and after the change in the guideline	3.306 (1.252, 8.991)	0.02	3.024 (1.186, 7.847)	0.02

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