Table 3.
Prospective, Randomized, Controlled Trials for Elimination of Residual Calculi After Shock Wave Lithotripsy With Alkali Citrate Therapy Lasting at Least 1 Year
| Study | Rx | Duration (Months) | n | Drop Out Rate (%) | Stone Free (%) | Stone Size Increased (%) |
| Cicerello et al.95 | Na-K-Citrate | 12 | 35 | 3 | 75 (Ca-Ox)/86 (Inf) | 5 (Ca-Ox)/0 (Inf) |
| Control | 35 | 3 | 32 (Ca-Ox)/40 (Inf) | 47 (Ca-Ox)/0 (Inf) | ||
| Soygur et al.100 | K-Citrate | 12 | 18 | NS | 44.4 | 0 |
| Control | 16 | NS | 12.5 | 62.5 |
Ca-Ox, calcium oxalate stone formers; Inf, infection-related stone formers; NS, not stated.