Table 3 Comparison of anxiety levels between the two groups after taking first impression using Mann Whitney U test.
From: Effect of Low-level LASER Therapy on P6 Acupoint to Control Gag Reflex in Children: A Clinical Trial
A1 | |||||
|---|---|---|---|---|---|
Group | n | Mean rank | Mann Whitney U | Z | p |
A | 20 | 29.60 | 18.000 | −5.074 | 0.001 |
B | 20 | 11.40 |