Treatment for lumbar disc prolapse‡

OutcomesComparisonWeighted event ratesRBI (95% CI)NNT (CI)
Success at 3 to 12 moChym v placebo69% v 48%45% (13 to 87)5 (3 to 17)
RRR (CI)
‡Chym = chymopapain. Other abbreviations defined in glossary; RBI, NNT, RRR, and CI calculated from data in article.
2d procedure in 2 yChym v placebo17% v 29%45% (22 to 62)7 (6 to 14)
Discectomy v chym 2% v 27%87% (73 to 93)6 (5 to 7)