From: Pregabalin in fibromyalgia - responder analysis from individual patient data
 | Percent with treatment/placebo | NNT (95% CI) | |||||
---|---|---|---|---|---|---|---|
Improvement | Placebo | 300 mg | 450 mg | 600 mg | 300 mg | 450 mg | 600 mg |
At least minimal | 45 | 54 | 59 | 47 | 11 (7.1 to 28) | 7.3 (5.3 to 12) | not calculated |
At least much | 25 | 32 | 36 | 33 | 14 (8.5 to 44) | 8.9 (6.2 to 16) | 13 (7.7 to 41) |
Very much | 6.7 | 11 | 11 | 10 | 26 (15 to >100) | 24 (14 to 80) | not calculated |