Certainty assessment | Number of studies | Effect | Certainty | |
Outcome | Relative | Absolute | ||
[95% CI] | [95% CI] | |||
Overall Prevalence | 5 | 0.5 1.00 | -- per 100 | ⨁⨁⨁◯ |
[0.48 - 0.52] | [from -- to --] | Moderate | ||
| -- per 100 |
| ||
| [from -- to --] |
| ||
Smokers | 2 | OR 1.76 | 0 fewer per 100 | ⨁⨁◯◯ |
[1.26 to 2.46] | [from 0 fewer per 0 less] | Low | ||
Male | 2 | 2.08 | 2 fewer per 1.000 | ⨁⨁⨁◯ |
[1.31 - 3.31] | [de 4 fewer to 1 less] | Moderate |