Table 3.
Sensitivity analysis with an intra-trial correlation coefficient of 0.8.
| Null model | CVR | p | AIC | BIC |
|---|---|---|---|---|
| 1 | 0.932 | 28.96 | 33.89 |
| Moderator variable | QM | p | AIC | BIC |
|---|---|---|---|---|
| Task | 0.03 | 0.863 | 35.48 | 47.75 |
| Polarity | 0.14 | 0.708 | 35.65 | 47.93 |
| Target location | 4.26 | 0.513 | 40.20 | 61.86 |
| Return electrode | 0.94 | 0.816 | 38.59 | 55.61 |
| Timing | 1.52 | 0.217 | 33.86 | 46.13 |
| Current density | 0.15 | 0.696 | 35.81 | 48.08 |
| Duration | 2.61 | 0.107 | 32.73 | 45.00 |
| Blinding | 0.30 | 0.960 | 41.12 | 58.13 |
Number of studies = 53, number of effects = 88., CVR = coefficient of variation ratio (lnCVR was exponentiated), QM = Moderator test, AIC = Akikes information criterion, BIC = Bayesian information criterion, intra-trial correlation coefficient = 0.8.