Table 5.
Sensitivity analysis for Herbst appliance versus control.
| Outcome | Original estimates | Exclusion of studies* | Effect model | |
|---|---|---|---|---|
| Fixed | Random | |||
| SNA | −0.56 (−0.99, −0.14) | −0.52 (−0.99, −0.06) | −0.62 (−0.88, −0.37) | −0.56 (−0.99, −0.14) |
| SNB | 1.06 (0.53, 1.60) | 1.08 (0.49, 1.66) | 0.89 (0.66, 1.13) | 1.06 (0.53, 1.60) |
| ANB | −1.08 (−2.16, −0.00) | −0.96 (−2.12, 0.20) | −0.60 (−0.81, −0.38) | −1.08 (−2.16, −0.00) |
| Mandibular plane angle | 0.17 (−0.09, 0.42) | — | 0.17 (−0.09, 0.42) | 0.17 (−0.09, 0.42) |
| Overjet | −4.82 (−5.83, −3.80) | −4.51 (-5.51, -3.51) | −4.40 (-4.75, -4.05) | -4.82 (-5.83, -3.80) |
| Overbite | −1.69 (−3.18, −0.21) | −1.57 (−3.23, 0.08) | −2.40 (−2.69, −2.11) | −1.69 (−3.18, −0.21) |
| Co-Go | 1.76 (1.27, 2.26) | — | 1.76 (1.27, 2.26) | 1.76 (1.27, 2.26) |
| Co-Gn | 1.74 (0.95, 2.53) | 2.03 (1.30, 2.76) | 1.94 (1.41, 2.48) | 1.74 (0.95, 2.53) |
| Molar relationship | −5.70 (−6.71, −4.69) | −5.50 (−6.74, −4.26) | −5.75 (−6.15, −5.34) | −5.70 (−6.71, −4.69) |
| A point-OLp | −0.52 (−0.73, −0.30) | −0.53 (−0.75, −0.30) | −0.52 (−0.73, −0.30) | −0.52 (−0.73, −0.30) |
| Pg-OLp | 1.45 (0.43, 2.47) | 2.00 (0.27, 2.50) | 1.23 (0.89, 1.56) | 1.45 (0.43, 2.47) |
The numbers in bold means different from original estimates.
*Exclusion of study bonded brackets on the upper anterior teeth Wigal et al. (29).