Outcome at median 4 wk | Medical treatment | Number of trials (n) | Weighted event rates | RBI (95% CI) | NNT (CI) |
Stone expulsion | AAA | 16 (1235) | 85% v 54% | 59% (44 to 75) | 4 (3 to 5) |
CCB | 9 (686) | 79% v 53% | 50% (34 to 68) | 4 (4 to 5) |
*AAA = α-antagonist; CCB = calcium channel blocker; other abbreviations defined in glossary. A random-effects model was used.
*AAA = α-antagonist; CCB = calcium channel blocker; other abbreviations defined in glossary. A random-effects model was used.