Stratified analysis showed that visual analog scale pain scores were lower in the naive group when ice was applied ( naive ice vs naive control : mean visual analog scale 11 14.3 vs 26.5 25 mm , P = .02 ; median visual analog scale 5 mm , IQR 2-14 .5 vs 20 mm , IQR 6.5-36 mm , P = .02 ) .