Lubrication v no lubrication for speculums in Papanicolaou smears‡
| Outcome | Lubrication | No lubrication | RRI (95% CI) | NNH |
|---|---|---|---|---|
| ‡Abbreviations defined in glossary; RRI, NNH, and CI calculated from data in article. | ||||
| Unsatisfactory cytology diagnosis | 1.4% | 1.3% | 7.2% (−42 to 98) | Not significant |