Summary of VAS scores.a
| Pain VAS | Follow-up | ESP (n = 36) | Control (n = 108) | P Value | |
| ESP | Control | ||||
| POD 0 | 36 (100%) | 106 (98.1%) | 7.0 (6.0–8.0) | 8.0 (6.0–9.0) | 0.349 |
| POD 1 | 35 (97.2%) | 105 (97.2%) | 8.0 (6.0–9.0) | 8.0 (6.0–9.0) | 0.862 |
| POD 2 | 30 (83.3%) | 97 (89.8%) | 7.0 (4.7–8.2) | 7.0 (5.0–8.0) | 0.911 |
| POD 3 | 23 (63.8%) | 78 (72.2%) | 7.0 (3.0–8.0) | 7.0 (6.0–8.2) | 0.227 |
| POD 4 | 13 (36.1%) | 59 (54.6%) | 5.0 (3.5–7.5) | 8.0 (7.0–9.0) | 0.009a |
| POD 5 | 4 (11.1%) | 42 (38.8%) | 7.0 (1.5–9.5) | 7.0 (5.0–8.0) | 0.955 |
| Weeks 2 to 4 | 34 (94.4%) | 89 (82.4%) | 4.0 (2.0–6.0) | 5.0 (2.0–7.0) | 0.703 |
| Months 2 to 3 | 33 (91.6%) | 80 (74.0%) | 2.0 (0.0–5.0) | 4.0 (1.0–6.0) | 0.075 |
| Month 6 | 22 (61.1%) | 63 (58.3%) | 3.0 (0.0–5.5) | 4.0 (0.0–6.0) | 0.218 |
| 1 Year | 13 (36.1%) | 44 (40.7%) | 3.0 (0.0–5.5) | 5.0 (2.0–7.0) | 0.050a |
Abbreviations: ESP, erector spinae plane; POD, postoperative day; VAS, visual analog scale.
Note: Data presented as number (%) and median (interquartile range).
↵a Statistically significant (P ≤ 0.05).