Patient characteristic and clinical data in the study
| ESPB group (n=39) | Control group (n=40) | P value*† | |
| Mean age (SD) (years) | 51.2 (5.3) | 52.9 (4.8) | 0.48 |
| Mean height (SD) (cm) | 160.1 (3.8) | 159.8 (4.1) | 0.46 |
| Mean weight (SD) (kg) | 59.8 (6.0) | 58.5 (4.5) | 0.07 |
| ASA classification, n (%) | 0.30 | ||
| Ⅰ | 25 (64.1) | 21 (52.5) | |
| Ⅱ | 14 (35.9) | 19 (47.5) | |
| Mean surgical time (SD) (min) | 110.6 (10.5) | 113.4 (11.4) | 0.32 |
| Median preoperative global QoR-15 score (IQR) | 130 (128–133) | 128.5 (126–131.5) | 0.18 |
*P value compares the ESPB group versus the control group.
†t-test used to compare means, Mann-Whitney U-test used to compare medians, chi-square test used to compare proportions.
ASA, American Society of Anesthesiologists; ESPB, erector spinae plane block;QoR-15, 15-item QoR questionnaire; QoR, quality of recovery.