Table 2—

Mean VAS scores for each time point for overall pain with 25% and 75% quartiles

Time pointMedian VAS pain scoresQuartiles (25%, 75%)
Run in5.55.0, 7.0
ISDN baseline5.54.0, 7.0
ISDN intermediate3.51.3, 6.0
ISDN final3.51.3, 6.0
ISDN difference (final minus baseline)−2.0
Placebo baseline5.04.3, 6.0
Placebo intermediate5.03.0, 5.0
Placebo final5.02.3, 7.0
Placebo difference (final minus baseline)0
  • Difference between ISDN and placebo sprays, P = 0.02.