Table 1.
Demographic and preoperative data.
| CINB (n = 99) | GA (n = 60) | |
|---|---|---|
| Age (y) | 56 (SD 13) | 49 (SD 14) |
| Sex (male/female) | 56m/43f | 43m/17f |
| ASA status 1/2/3 | 24/58/17 | 22/30/8 |
| Weight (kg) | 83 (SD 16) | 83 (SD 14) |
| Height (cm) | 172 cm (SD 10) | 175 cm (SD 9) |
| Body mass index (kg/m2) | 28 (SD 4) | 27 (SD 4) |
| Neck circumference (cm) | 39 (SD 4) | 40 (SD 4) |
| Waist circumference (cm) | 99 (SD 14) | 97 (SD 14) |
| Upper-lower jaw distance (cm) | 5.0 (SD 0.8) | 5.2 (SD 0.9) |
| Serum-creatinine (mg/dL) | 0.9 (SD 0.2) | 0,8 (SD 0.2) |
| SpO2 (%) | 97.0 (SD 1.4) | 97.3 (SD 1.4) |
| Clorazepate (mg) | 26 (SD 11) | 29 (SD 13) |
CINB, supplemental continuous interscalene block group and general anesthesia; GA, general anesthesia without nerve block. SpO2, pulse oximetry saturation; VAS, visual analogue scale. Data are mean ± SD or number (n). No significant differences were found between groups.