Table 2.
Variables (Unit) | N(%)/Median (IQR) | Control Group (n = 68) | Preoperative UISB Group (n = 74) | p-value |
---|---|---|---|---|
Intraoperative MME* consumption (mg/kg/h) | 0.074(0.051–0.115) | 0.108(0.078–0.134) | 0.056 (0.036–0.074) | <0.001 |
Sevoflurane consumption (mL/kg/h) | 0.221(0.177–0.274) | 0.236(0.202–0.294) | 0.201 (0.161–0.250) | 0.001 |
Antihypertensive drug use and dosage | 0.034 | |||
None | 110 (77.5%) | 49 (72.1%) | 61 (82.4%) | |
1 | 28 (19.7%) | 15 (22.0%) | 13 (17.6%) | |
2 | 4 (2.8%) | 4 (5.9%) | 0(0.0%) | |
Labetalol (mg) | 11 (0–0) | 2.5 (0–2.5) | 0 (0–2.5) | 0.087 |
Nicardipine (mg) | 25 (0–0) | 1.0 (0–1.0) | 0 (0–1.0) | 0.183 |
Notes: Numeric values are expressed as medians (interquartile ranges) or numbers (%). *Opioid consumption was converted to MME.
Abbreviations: IQR, interquartile range; UISB, ultrasound-guided interscalene nerve block; MME, morphine milligram equivalent.