Table 5.
Safety outcomes
| Control, n=32 | Lateral QLB, n=32 | Posterior QLB, n=32 | P | |
| Intra-operative bradycardiaa | 1 (3.1%) | 1 (3.1%) | 1 (3.1%) | >0.999 |
| Intra-operative hypotensionb | 9 (28.1%) | 8 (25.0%) | 9 (28.1%) | 0.949 |
| Intra-operative arrhythmiac | 1 (3.1%) | 0 (0.0%) | 0 (0.0%) | >0.999 |
| Emergence deliriumd | 0 (0.0%) | 1 (3.1%) | 0 (0.0%) | >0.999 |
| PONV within 24 h | 12 (37.5%) | 11 (34.4%) | 9 (28.1%) | 0.720 |
| Antiemetic therapy within 24 h | 2 (6.3%) | 2 (6.3%) | 5 (15.6%) | 0.496 |
Data are number (%). PONV, postoperative nausea and vomiting; QLB, quadratus lumborum block.
a
Defined as HR less than 45 bpm and required intervention.
b
Defined as a decrease of SBP more than 30% from baseline level (average value in the ward) or SBP less than 90 mmHg and required intervention.
c
New onset atrial premature beats.
d
Assessed with the Confusion Assessment Method for the ICU in the postanaesthesia care unit.