Fig. 2From: Differential rates of intravascular uptake and pain perception during lumbosacral epidural injection among adults using a 22-gauge needle versus 25-gauge needle: a randomized clinical trialThe incidence of intravascular uptake for 22-gauge group was 5.9% (8 out of 136) and 25-gauge group was 7.1% (8 out of 113) (p = 0.701)Back to article page