Table 3.
Outcomes | Studies included | References | No. of patients (Exp/Con) | Weighed mean (95% CI) | P-value | Heterogeneity
|
|
---|---|---|---|---|---|---|---|
P-value | I2 test | ||||||
| |||||||
Mean 24-hour morphine consumption | 3 | 10,11,23 | 71/73 | −0.04 (−2.72, 2.64) | 0.98 | 1.00 | 0% |
Pain score at rest at 2 hours | 2 | 10,11 | 50/50 | −1.00 (−1.81, −0.19) | 0.02 | 1.00 | 0% |
Pain score at rest at 24 hours | 4 | 10,11,23,26 | 171/170 | −0.44 (−1.21, 0.23) | 0.20 | 0.04 | 64% |
Abbreviations: Con, control group; Exp, experimental group.