Table 1.
Descriptive statistics
| Variable | CTRL (n = 19) | QL (n = 18) | P |
|---|---|---|---|
| Age (months) | 24 ± 12 | 19 ± 10 | 0.203 |
| Weight (kg) | 3.3 ± 0.55 | 3.07 ± 0.67 | 0.254 |
| Time from premedication to first incision (mins) | 47 ± 12 | 53 ± 8 | 0.084 |
| Surgical time (mins) | 33 (18–45) | 28 (18–60) | 0.408 |
| Baseline HR (bpm) | 124 ± 16 | 119 ± 16 | 0.332 |
| Baseline f R (breaths/min) | 20 (16–26) | 20 (10–25) | 0.753 |
| EtCO2 (mmHg) | 36 (29–38) | 35 (29–39) | 0.845 |
| Baseline SAP (mmHg) | 113 ± 12 | 117 ± 12 | 0.188 |
| Baseline MAP (mmHg) | 76 ± 14 | 76 ± 8 | 0.936 |
| Baseline temperature (°C) | 38.1 ± 0.3 | 38.2 ± 0.3 | 0.263 |
| EtISO (%) | 0.8 ± 0.9 | 0.8 ± 0.7 | 0.241 |
Data are mean ± SD or median (range)
CTRL = control group; EtCO2 = end-tidal carbon dioxide; EtISO = end-tidal isoflurane concentration; f R = respiratory rate; HR = heart rate; MAP = mean arterial pressure; QL = quadratus lumborum block group; SAP = systolic arterial pressure