Varenicline vs placebo or no medication
Varenicline showed no clear difference in cardiac SAEs (varenicline vs placebo or no medication) compared with placebo or no medication (low certainty).
- RR 1.2 [0.79, 1.84]18 studies · 7151 participantsLow
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Varenicline showed no clear difference in cardiac SAEs (varenicline vs placebo or no medication) compared with placebo or no medication (low certainty).
Cytisine probably leads to higher smoking abstinence at longest compared with placebo or no medication (moderate certainty).
Cytisine showed no clear difference in SAEs (cytisine vs placebo or no medication) compared with placebo or no medication (low certainty).
The review found no eligible studies for this question.
The review found no eligible studies for this question.
Cytisine showed no clear difference in smoking abstinence at longest compared with varenicline (low certainty).
It is very uncertain whether blood pressure intervention/intensive blood pressure intervention changes visual acuity (loss of 3 lines or more) by 5 years compared with placebo/standard blood pressure intervention (very low certainty).
Blood pressure intervention/intensive blood pressure intervention may leads to higher adverse events—hypotension compared with placebo/standard blood pressure intervention (low certainty).
Medical/surgical masks showed no clear difference in viral respiratory illness ‐ influenza/COVID‐like illness compared with no masks (moderate certainty).
Hand hygiene showed no clear difference in laboratory‐confirmed influenza compared with control (low certainty).
Hand hygiene may leads to lower composite of acute respiratory illness, influenza‐like illness,… compared with control (low certainty).
Medical/surgical masks showed no clear difference in viral respiratory illness ‐ laboratory‐confirmed influenza/SARS‐CoV‐2 compared with no masks (moderate certainty).
It is very uncertain whether N95 respirators changes viral respiratory illness ‐ clinical respiratory illness compared with medical/surgical masks (very low certainty).