Table 4

Lateral lumbar working corridor.

VariableSupine Position, Mean (SD)Prone Position, Mean (SD)Paired Difference (95% CI) P
L3−L4 Corridor21.2 (5.3)20.8 (5.2)0.4 (−0.2, 1.1)0.196
L4−L5 Corridor15.9 (4.6)15.7 (4.2)0.2 (−0.6, 1.0)0.600