NNT for improvement in pain and multidimensional function estimated in a post-hoc analysis
| NNT (95% CI) | ||
|---|---|---|
| SXB4.5g | SXB6g | |
| Pain VAS | ||
| ≥30% | 7 (5 to 18) | 5 (3 to 7) |
| ≥50% | 8 (5 to 23) | 5 (4 to 8) |
| ≥80% | 19 (10 to ∞) | 11 (7 to 29) |
| FIQ improvement | ||
| ≥14% | 6 (4 to 12) | 4 (3 to 6) |
| ≥30% | 5 (4 to 10) | 4 (3 to 7) |
FIQ, fibromyalgia impact questionnaire; NNT, number needed to treat; SXB4.5g, sodium oxybate 4.5 g/night; SXB6g, sodium oxybate 6 g/night; VAS, visual analogue scale.