Table 1.

Statistical analyses used in this study

Line	Data structure	Type of test	p
a	Normal distribution	Two-sample Kolmagorov–Smirnov test	0.005
b	Normal distribution	Two-sample Kolmagorov–Smirnov test	0.008
c	Normal distribution	Student’s t test	0.001
d	Normal distribution	Student’s t test	0.45
e	Normal distribution	Student’s t test	0.08
f	Normal distribution	Student’s t test	0.003
g	Normal distribution	Student’s t test	0.35
h	Normal distribution	Student’s t test	0.005
i	Normal distribution	Student’s t test	0.001
j	Normal distribution	Student’s t test	0.001
k	Normal distribution	Student’s t test	0.001
l	Normal distribution	One-way ANOVA tests	0.008
m	Normal distribution	One-way ANOVA tests	0.005
n	Normal distribution	Student’s t test	0.56
o	Normal distribution	Student’s t test	0.58
p	Normal distribution	One-way ANOVA tests	0.001
q	Normal distribution	One-way ANOVA tests	0.001