Table 3

Positive culture results for common bacteria, by time and group

Organism	Time; no. (%) of patients

	Total n = 105	Before skin preparation		After skin preparation		After closure

		ChloraPrep n = 54	DuraPrep n = 51	ChloraPrep n = 54	DuraPrep n = 51	ChloraPrep n = 54	DuraPrep n = 51
Staphylococcus epidermidis	50 (47.6)	27 (50)	24 (47)	2 (4)	1 (2)	2 (4)	3 (6)

Corynebacterium	47 (44.8)	17 (31)	32 (63)	1 (2)	3 (6)	1 (2)	2 (4)

Micrococcus luteus^*^†	40 (38.1)	18 (33)	23 (45)	14 (26)	1 (2)	13 (24)	2 (4)

S. hominis	38 (36.2)	16 (30)	23 (45)	0 (0)	1 (2)	0 (0)	1 (2)

S. capitis	22 (21.0)	11 (20)	12 (24)	0 (0)	2 (4)	1 (2)	2 (4)

↵* p < 0.05 for difference between DuraPrep and ChloraPrep groups after preparation and after closure.
↵† p < 0.01 for reduction in positive culture results in the DuraPrep group compared to the ChloraPrep group after preparation and after closure.