Fifteen trials compared various other oral care solutions. There is very weak evidence that povidone iodine mouthrinse is more effective than saline/ placebo ( RR , 95% CI to , P = , I 2 = 74%, three studies, 356 participants, high risk of bias ), and that saline rinse is more effective than saline swab ( RR , 95% CI to , P < , I 2 = 84%, four studies, 488 participants, high risk of bias ) in reducing VAP. Due to variation in comparisons and outcomes among trials, there is insufficient evidence concerning the effects of other oral care solutions.
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