From: A randomized double-blind comparison of the double-space technique versus the single-space technique in combined spinal-epidural anesthesia for cesarean section
Double Group (n = 20)
Single Group (n = 20)
P value
Satisfaction score OR (0–10)
10 [8–10]
0.298
Satisfaction score RR (0–10)
10 [7–10]
0.089
Satisfaction score 48 h (0–10)
9.5 [8–10]
8 [6–10]
0.009*