Table 1.
Patient Characteristics
| Characteristic | ISB (n=30) | SCB (n=31) | p-value |
|---|---|---|---|
| Age, y, mean (SD) | 50 (15) | 49 (17) | 0.79 |
| Female (%) | 12 (40) | 14 (45) | 0.68 |
| BMI, mean (SD) | 31 (10) | 27 (5) | 0.19 |
| NRS baseline pain score, median (IQR) | 0 (0, 3) | 0 (0, 0) | 0.11 |
| Left laterality (%) | 19 (63) | 15 (48) | 0.24 |
| ASA PS (%) | 0.87 | ||
| Score 1 | 7 (23) | 9 (29) | |
| Score 2 | 13 (43) | 13 (42) | |
| Score 3 | 10 (33) | 9 (29) |
Abbreviations: BMI, Body Mass Index; ISB, interscalene block; SCB, supraclavicular block; SD, standard deviation; IQR, interquartile range (Q1=first quartile, Q3=third quartile); ASA PS, American Society of Anesthesiologists physical status; NRS, Numerical Rating Scale.