Age (years)  
Mean ± SD 14.5 ± 2.8
Range 8-18
Weight (kg)  
Mean ± SD 67 ± 23.3
Range 41-120
  Number of patients
Sex  
Male 16
Female 4
Type of Surgery  
Repair of anterior cruciate ligament 10
Knee arthroscopy 6
Repair syndactyly 2
Shoulder arthroscopy 1
Open reduction/internal fixation ankle 1
Type of Peripheral Nerve Block  
Femoral 16
Interscalene 2
Popliteal 1
Axillary 1
Table 1: Demographic characteristics of patients undergoing peripheral nerve block.