Table 5.
Comparison of the HR and BP at 10 and 45 minutes in the R and RD groups.
| Heterogeneity | ||||||
| Hemodynamics | R group (n) | RD group (n) | MD (95% CI) | P value | I2 (%) | P value |
| At 10 min | ||||||
| HR[12,20,24] | 95 | 95 | 8.73 [2.37, 15.08] | .007 | 81 | .005 |
| MAP[12,20] | 55 | 55 | 7.77 [5.13,10.41] | <.00001 | 0 | .4 |
| SBP[12,20] | 70 | 70 | 7.21 [3.17,11.24] | .0005 | 38 | .2 |
| DBP[12,20] | 70 | 70 | 3.26 [0.44,6.09] | .02 | 34 | .22 |
| At 45 min | ||||||
| HR[12,20,24] | 95 | 95 | 4.72 [2.65,6.79] | <.00001 | 47 | .15 |
| MAP[12,20] | 55 | 55 | 3.45 [0.83,6.06] | .01 | 0 | .7 |
| SBP[12,20] | 70 | 70 | 5.38 [2.03,8.74] | .002 | 0 | .99 |
| DBP[12,20] | 70 | 70 | 4.20 [1.55,6.85] | .002 | 0 | .55 |
DBP = diastolic blood pressure, HR = heart rate, MAP = mean arterial pressure, MD = mean difference, R group = ropivacaine alone, RD group = ropivacaine combined with dexmedetomidine, SBP = systolic blood pressure.