Model for Developing a Health-Related Quality of Life Questionnaire for Chronic Obstructive Pulmonary Disease

Table 1

Descriptive statistics of lung function and exacerbation.

Female	FVC	FEV1	PEF	Exacerbation number
Maximum value	4.6	4.12	10.21	3
Minimum value	1.59	0.58	1.81	0
Range	3.01	3.54	8.4	3
Mean	3.363	2.325	5.652	1.956
Standard deviation	0.948	0.831	1.912	0.864
Male	FVC	FEV1	PEF	Exacerbation number
Maximum value	6.92	5.39	11.29	3
Minimum value	2.25	0.74	1.58	0
Range	4.67	4.65	9.71	3
Mean	4.307	3.001	6.455	2
Standard deviation	1.183	1.238	2.271	1.163