Table 2.
Comparison of analgesic efficacy of erector spinae plane block to control group (n=21)
| Group I (control) | Group II (ESP) | Group III (OSTAP) | P | |
|---|---|---|---|---|
| 24-h morphinea | 9.85±0.49 | 6.23±0.42 | 7.4±0.42 | <0.001* I versus II<0.001* I versus III=0.001* II versus III=0.173 |
| Intraoperative rescue fentanylb(μg) | 30 (15-50) 20, 29.52±2.36 | 10 (0-25) 6.5, 12.66±1.26 | 10 (0-20) 10, 10.23±1.26 | <0.001* II versus III=0.95 |
| PACU morphine analgesia (mg)c | 2.14±0.91 | 1.7±0.84 | 1.9±0.76 | 0.264 |
| First morphine dose (min)c | 266±31 | 384±55 | 343±51 | 0.001* |
aAnalysis between groups done using Kruskal-Wallis test, bValues are given as median, (range) IQR, mean±SD, cAnalysis done by one-way ANOVA and post hocanalysis. *P<0.05 is considered significant. ANOVA=Analysis of variance, SD=Standard deviation, IQR=Interquartile range, ESP=Erector spinae plane, OSTAP=Oblique subcostal transversus abdominis plane, PACU=Postanesthesia recovery unit