Table 3.
Pooled results of BIS
| Item | Pooled results | Cheung et al26 | Nooh et al25 | Ryu et al24 |
|---|---|---|---|---|
| Induction 0 minutes, MD (95% CI) | 0.21 (−1.69 to 2.10) | 1.16 (−0.98 to 3.30) | 1.45 (−1.60 to 4.50) | −1.37 (−3.19 to 0.45) |
| Induction 10 minutes, MD (95% CI) | −1.24 (−4.55 to 2.08) | 2.45 (−1.65 to 6.55) | −1.46 (−4.86 to 1.94) | −3.54 (−5.47 to −1.61)# |
| Induction 20 minutes, MD (95% CI) | −6.03 (−7.78 to −4.27)# | −6.06 (−11.16 to −0.96)# | −4.75 (−9.39 to −0.11)# | −6.27 (−8.32 to −4.22)# |
| Induction 30 minutes, MD (95% CI) | −10.34 (−16.49 to −4.19)# | −1.51 (−9.24 to 6.22) | −16.41 (−21.50 to −11.32)# | −10.94 (−13.11 to −8.77)# |
| Induction 40 minutes, MD (95% CI) | −11.68 (−19.49 to −3.87)# | −1.51 (−7.72 to 4.70) | −17.33 (−22.57 to −12.09)# | −15.17 (−17.55 to −12.79)# |
| Induction 50 minutes, MD (95% CI) | −8.96 (−18.46 to 0.55) | 1.17 (−2.87 to 5.21) | −18.97 (−23.20 to −14.74)# | −9.12 (−11.36 to −6.88)# |
| Induction 60 minutes, MD (95% CI) | −10.27 (−18.17 to −2.37)# | −1.05 (−6.71 to 4.61) | −17.14 (−22.38 to −11.90)# | −12.21 (−15.31 to −9.11)# |
| Induction 70 minutes, MD (95% CI) | −6.32 (−15.11 to 2.46) | −1.98 (−5.59 to 1.63) | −10.95 (−15.74 to −6.16)# | NR |
| Induction 80 minutes, MD (95% CI) | −3.06 (−5.90 to −0.22)# | −4.31 (−8.34 to −0.28)# | −1.83 (−5.83 to 2.17) | NR |
| Induction 90 minutes, MD (95% CI) | −5.14 (−18.99 to 8.70) | −12.12 (−14.51 to −9.73)# | 2.01 (−1.92 to 5.94) | NR |
Note:
#
P<0.05.
Abbreviations: BIS, bispectral index; NR, not reported; MD, mean difference.