VAS scores during positioning ( mean and range ) were lower in the FIC group than in the IVA group [ 2.0 ( 1-4 ) vs. 3.5 ( 2-6 ) , P = 0.001 ] , and the mean ( + / - SD ) time to achieve spinal anaesthesia was shorter in the FIC group ( 6.9 + / - 2.7 min vs. 10.8 + / - 5.6 min ; P = 0.009 ) .
