Table 1.

Summary of RCT’s included in this review

Number of patients (N=)			Treatment													Results
Authorship	Intervention	Control	su, ms chx 0.2%, tb	ms chx 0.2%	su, ms 2% chx, tb	su, ms chx 0.12%	su, ms 0.12% chx, tb	pi 10%	pb gel 3.3% + sw	su, ms 0.2% chx	su, ms sa	su, ms + mw 0.12% chx	su, tb,sbc mw	su,mw chx 0.2%, tb	su, mw sw, tb	Incidence statistic
[6]	104	102	√	X												study group = 8.6/1000 ventilated days control group = 11.6/1000	P value = 0.82
[11]	57	57	X		√											study- 5.3% control − 22.8%	P value = 0.007
[12]	105	108				X	√									control 25.9% study 16.19%	P value = 0.084
[10]	78	72						√	X							control 28% study 31%	P value = 0.69
[8]	217	219				X	√									study 9.7% control 11%	P value  = 0.75
[13]	29	32								√	X					study 41.4% control − 68.8%	P value = 0.03
[7]	74	73					√					X				study 24.7% control 20.3%	P value = 0.55
[9]	a = 33, c = 33	43											√	√	X	study B 5.2% study C 5.6% control 1.2% NM

√, intervention; X, control; su, suction; ms, mouth swab; chx, chlorexidine; tb, toothbrush; pi, povidone-iodoine; pb, placebo; sa, saline; pw tb, powered toothbrush; mw, mouthwash; sbc, sodium bicarbonate; sw, sterile water