From: The influence of epidural volume extension on spinal block with hyperbaric bupivacaine for elective knee arthroplasty
Group 1 (n=40)
Group 2 (n=40)
p
Gender
Male
7
10
Female
33
30
0.412
Age (year)
67±9
69±7
0.317
Weight (kg)
83±11
83±10
0.957
Height (cm)
158±8
160±8
0.304
BMI
33±5
0.272