Table 3.
Reported outcomes per study
| Author [ref.] | Time of outcome assessment in weeks | Pain intensity, mean difference (95% CI) | p value | Sleep interference, mean difference (95% CI) | p value |
| Markman et al. [21] | 15 | -0.22 (-0.54 to 0.10) | 0.18 | -0.43 (-0.71 to -0.14) | 0.0031 |
| van Seventer et al. [33] | 8 | -0.62 (-1.1 to -0.15) | 0.010 | -0.79 (-1.3 to -0.34) | 0.001 |
| Gordh et al. [10]a | 5 | -0.030 (-0.69 to 0.63) | 0.93 | -0.39 (-0.95 to 0.17) | 0.17 |
| Gordh et al. [10]b | 5 | -0.46 (-0.88 to -0.036) | 0.036 | -0.33 (-0.72 to 0.062) | 0.10 |
| Jenkins et al. [13]a | 2 | -0.47 (-1.3 to 0.31) | 0.25 | ||
| Jenkins et al. [13]b | 2 | -1.1 (-2.0 to -0.15) | 0.034 |
A negative number means greater reduction in gabapentinoid than placebo group. Both pain intensity and sleep interference were measured on a scale from 0 to 10. The MCID was assumed to be -2 for pain intensity and -1.5 for sleep interference.
Before unblinding.
After unblinding.