Obesity status is a risk factor for secondary surgery after neurolysis, direct nerve repair or nerve grafting in traumatic brachial plexus injury: a retrospective cohort study

Table 2 Association between obesity status and the presence of secondary surgery after adjusting confounder

Determinant	Risk ratio	P value	95% confident interval
Obesity	6.99	0.028 *	1.23–39.63
Age^a	0.98	0.57	0.92–1.05
High energy injury^a	2.84	0.34	0.33–24.78
Associated shoulder dislocation^a	4.72	0.32	0.23–97.62
Associated clavicle fracture^a	1.02	0.99	0.09–11.09

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