Factor | ESPB (n=50) | PVB (n=50) | P value |
Median operating room morphine equivalents in mg (IQR) | 1.0 (1.0–1.9) | 1.0 (1.0–1.0) | 0.206 |
Number of antiemetics administered in PACU (%) | 0.116 | ||
0 | 34 (68) | 42 (86) | |
1 | 13 (28) | 5 (10) | |
2 | 3 (6) | 2 (4) | |
Number of antiemetics administered from PACU to morning of postoperative day (POD) 1 (%) | – | ||
0 | 3 (60) | 3 (75) | |
1 | 2 (40) | 0 (0) | |
2 | 0 (0) | 1 (25) | |
POD of discharge for hospitalized subjects (%) | – | ||
1 | 5 (100) | 3 (75) | |
2 | 0 (0) | 1 (25) | |
Median pain NRS scores morning of POD 1 (IQR) | |||
Highest | 5.0 (3.6–8.0) | 5.0 (4.0–7.0) | 0.357 |
Lowest | 1.0 (0–3.0) | 1.0 (0–3.0) | 0.607 |
Average | 3.0 (2.0–4.0) | 2.5 (1.0–5.0) | 0.438 |
Current | 3.0 (2.0–4.8) | 3.0 (1.0–4.0) | 0.597 |
Median oxycodone use through morning of POD 1 in mg (IQR) | 5.0 (0–10) | 10 (0–15) | 0.323 |
Median Likert scale nausea morning of POD 1 (IQR) | 0 (0–0) | 0 (0–0) | 0.837 |
Median number of awakenings due to pain (IQR) | 0 (0–0) | 0 (0–1) | 0.244 |
Median duration of block in hour (IQR) | 17.7 (9.7–20.1) | 16.0 (11.9–19.9) | 0.833 |
Median PACU length of stay in min (IQR) | 124 (96–157) | 105 (87–126) | 0.047 |
Test used: Wilcoxon-Mann-Whitney test. Likert scale: 0=no nausea; 10=vomiting.
ESPB, erector spinae plane block; NRS, Numeric Rating Scale; PACU, postanesthesia care unit; PVB, paravertebral block.