From: Risk factors for insufficient ultrasound-guided supraclavicular brachial plexus block
Mean (SD) or n (%) | |
---|---|
Age (years) | 55.7 (20.7) |
Sex | |
Male | 115 (42.8) |
Female | 154 (57.2) |
BMI (kg/m) | 23.1 (4.1) |
Lidocaine dose (mg/kg) | 1.7 (0.3) |
Ropivacaine dose (mg/kg) | 2.5 (0.5) |
Level of surgeon | |
Hand surgeon | 177 (65.8) |
Residents | 92 (34.2) |
Comorbidity | |
DM | 19 (7.1) |
Mental disorder | 7 (2.6) |
Interval from block to surgery (min) | 36.1 (7.7) |
Surgical time (min) | 93.8 (46.2) |
Tourniquet inflating time (min) | 73.9 (35.6) |