Table 4.

Variation tendency on the St George’s Respiratory Questionnaire (SGRQ) in the two groups.

Item and group	Total		Symptom		Activity		Psychosocial impacts
	F1,4	P	F1,4	P	F1,4	P	F1,4	P
Time	7.607	<.001	20.859	<.001	2.871	.03	2.477	.047
Group	21.894	<.001	8.781	.004	20.400	<.001	18.413	<.001
Time*group	23.300	<.001	12.384	<.001	8.351	<.001	12.259	<.001