Health and Quality of Life Outcomes

Table 3 CCQ scores according to GOLD criteria

From: Health-related quality of life in chronic obstructive pulmonary disease patients in Korea

	N	CCQ total score		CCQ domain score
				Symptom		Functional state		Mental state
		Mean	(SE)	Mean	(SE)	Mean	(SE)	Mean	(SE)
Stage I	13	0.8	(0.3)	1.1	(0.3)	0.6	(0.3)	0.4	(0.4)
Stage II	114	0.9	(0.3)	1.3	(0.2)	0.7	(0.2)	0.8	(0.2)
Stage III	60	1.4	(0.2)	1.6	(0.2)	1.3	(0.2)	1.1	(0.3)
Stage IV	13	2.0	(0.3)	1.7	(0.3)	2.3	(0.3)	2.2	(0.4)
P trend^*		<0.001		0.026		<0.001		<0.001

All CCQ scores [adjusted mean values (SE)] were adjusted by age group, level of education, gender, and smoking status. SE, standard error of the mean.
^*The P–trend value tests the null hypothesis that there is no linear trend between the CCQ means and GOLD stage order.

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ISSN: 1477-7525

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