Table 2: Effects of LA volumes on the duration of sensory blockade.

   

Volume (ml)

Duration (hr)

R²

ISB

Mean (SD)

24.7 (8)

14.1 (4.5)

0.0004

 

Range

12-40

7-26

SCB

Mean (SD)

23.7 (7.4)

14.7 (4.5)

0.0081

 

Range

12-40

6-26