Table 3.
Bivariate analyses of the treatment group versus physiologic measures and medication
| Variable | D group | C group | P-value |
|---|---|---|---|
| (n = 30) | (n = 30) | ||
| MAP (mm Hg), mean ± SD | |||
| at Le Fort I incision | 63.37 ± 5.50 | 72.63 ± 7.46 | <.001a |
| at BSSRO incision | 64.57 ± 5.08 | 71.30 ± 6.38 | <.001a |
| HR (bpm), mean ± SD | |||
| at Le Fort I incision | 67.23 ± 7.82 | 73.60 ± 8.48 | .004a |
| at BSSRO incision | 67.80 ± 8.19 | 76.57 ± 7.28 | <.001a |
| Ephedrine (mg), mean ± SD | 1.20 ± 3.31 | 1.20 ± 4.57 | 1.000a |
Abbreviations: BSSRO, bilateral sagittal split ramus osteotomy; C, Control; D, add-on dexmedetomidine; HR, heart rate; MAP, mean arterial pressure; SD, standard deviation.
Differences between groups analysed by the independent t-test.
Significant difference (P < .05) indicated in bold.