Table 3

Comparison of injection pain mean scores in the two treatment groups

Treatment groupNo of patientsMean injection pain score (SD)Mean differenceSignificance tests p values
t testNon- parametric Mann- Whitney testMultifactor ANOVA with adjustment for pain threshold and injector
A314.84 (2.49)−0.13p=0.86p=0.77p=0.85
B294.97 (3.02)
Totals604.90 (2.74)