Table 1.

Nasal symptoms and behavioral scores comparison (x̅ ± s)

Group	Cases	Nasal itching	Sneeze	Nasal secretion	Behavior	Total score
C	12	0.7 ± 0.2	0.5 ± 0.2	0.8 ± 0.3	0.6 ± 0.2	2.4 ± 0.2
A	12	2.9 ± 0.2	1.3 ± 0.3	2.9 ± 0.3	2.0 ± 0.3	6.9 ± 0.3
B	12	1.3 ± 0.1	1.4 ± 0.2	1.3 ± 0.2	1.4 ± 0.2	4.8 ± 0.3
F	/	124.78	15.79	98.13	52.01	401.56
P	/	0.000	0.000	0.000	0.000	0.000