TABLE 4.

Individual components of the protocol^*

Variable	Factor Present		Factor Absent		p Value
	No. of Procedures	Infection %	No. of Procedures	Infection %
sign on OR door to minimize traffic	1503	5.66	41	9.76	0.29
patient position of op site away from door	1441	5.97	106	2.83	0.18
antibiotics received before incision	1499	5.74	43	6.98	0.73
hair clipped, not shaved	1533	5.81	10	0	1.00
ChloraPrep applied by or approved by attending physician	1497	5.74	48	6.25	0.75
wait 3 min to allow ChloraPrep to dry	1517	5.60	22	4.55	1.00
proper hand-washing technique by all team members	1515	5.61	20	20.0	0.025
double gloving by all team members	1499	5.60	34	14.71	0.043
Ioban use	1528	5.76	17	5.88	1.00
vancomycin/gentamicin injection into shunt reservoir	1414	5.80	131	5.34	0.83
dressing	1511	5.82	28	3.57	1.00

^*OR = operating room.