Vancomycin lavage for the incidence of acute surgical site infection following primary total hip arthroplasty and total knee arthroplasty

Table 2 Incidence of acute surgical site infection, n (%)

Risk factor	Group 1 (n = 1018)	Group 2 (n = 1175)	P value
Superficial infection rate	6 (0.59)	1 (0.09)	0.0371
Deep infection rate	19 (1.86)	0 (0)	< 0.0011
Overall infection rate	25 (2.46)	1 (0.09)	< 0.0011

¹Pearson χ² test.

Group 1: Irrigation with normal saline. Group 2: Irrigation with vancomycin.