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. 2017 Aug 10;13:305–309. doi: 10.2147/VHRM.S135308

Table 2.

Comparison of both groups (with and without FNB) in GSV length, procedure time, and pain score (VAS)

Variable Group I (without FNB)
Group II (with FNB)
P value
Mean SD Mean SD
GSV length 23.3 4.3 24.0 4.3 0.559
Procedure duration (minutes) 38.2 6.9 41.9 6.0 0.034
Pain score (VAS) 7.95 0.79 1.08 0.71 < 0.001

Abbreviations: FNB, femoral nerve block; GSV, great saphenous vein; VAS, visual analog scale.