Table 1.

Differences between groups, scanning resolution, and exposure time

	ANOVA (p-value)	Bonferroni (p-value)
Groups	0.641
Scanning resolution	0.000*
20–25 lp/mm		0.000*
20–40 lp/mm		0.000*
25–40 lp/mm		0.676
Exposure time	0.001*
0.06 – 0.10 s		1.000
0.06 – 0.16 s		0.544
0.06 – 0.25 s		0.044*
0.06 – 0.40 s		0.003*
0.10 – 0.16 s		1.000
0.10 – 0.25 s		0.257
0.10 – 0.40 s		0.025*
0.16 – 0.25 s		1.000
0.16 – 0.40 s		0.802
0.25 – 0.40 s		1.000

ANOVA, analysis of variance.

*statistically significant