From: Italian multicenter study on infection hazards during dental practice: Control of environmental microbial contamination in public dental surgeries
T0
T1
Statistical analysis
Logarithmic mean
2.0 (se = 0.05)
2.0 (se = 0.07)
t = 0.11 (p = 0.91)
Geometric mean
104.7
107.2
% positives
39.1 (18/46)
34.8 (16/46)
McN = 0.75 (p = 0.39)