Table 9. The P values of pairwise comparisons for the differences in the Lowell wheezing scores by the Mann—Whitney U test.

(Z values in the parenthesis).

Parameters	IFN Injection vs Control	IFN Injection vs IFN Nebulization 1	IFN Injection vs IFN Nebulization 2	Control vs IFN Nebulization 1	Control vs IFN Nebulization 2	IFN Nebulization 1 vs IFN Nebulization 2
The differences of Lowell wheezing scores of days 1 and 3	0.785(-0.273)	0.382(-0.874)	0.061(-1.875)	0.399(-0.843)	0.044(-2.015)	0.260(-1.127)
The differences of Lowell wheezing scores of days 3 and 5	0.007(-2.717)	0.065(-1.845)	0.513(-0.654)	<0.001(-4.803)	0.018(-2.374)	0.005(-2.839)