Quality of life and its association with direct medical costs for COPD in urban China

Table 2 Distribution of quality of life measure for COPD patients by current severity levels

Current severity	Mobility (%)*			Self-care (%)*			Usual activities (%)*			Pain/Discomfort (%)*			Anxiety/depression (%)*			VAS score**	Utilities score**
Current severity	1	2	3	1	2	3	1	2	3	1	2	3	1	2	3	VAS score**	Utilities score**
Mild	80.6	19.4	0.0	93.5	6.5	0.0	86.3	12.9	0.7	76.3	23.0	0.7	72.7	26.6	0.7	70.0 (71.8 ± 13.3)	0.848 (0.786 ± 0.085)
Moderate	67.6	29.1	3.4	85.8	11.1	3.0	67.6	27.4	5.1	62.8	35.1	2.0	73.0	24.7	2.4	70.0 (67.1 ± 16.7)	0.773 (0.734 ± 0.158)
Severe	44.8	52.5	2.8	75.1	22.1	2.8	44.8	48.1	7.2	54.7	42.5	2.8	67.4	30.4	2.2	67.0 (63.5 ± 16.3)	0.724 (0.691 ± 0.155)
Very severe	31.1	65.6	3.3	65.6	29.5	4.9	32.8	59.0	8.2	47.5	47.5	4.9	63.9	31.1	4.9	60.0 (61.3 ± 15.8)	0.675 (0.655 ± 0.151)
p value	<0.001			0.016			<0.001			<0.001			<0.001			<0.001	<0.001
Total	60.9	36.6	2.5	82.7	14.8	2.5	62.2	32.8	5.0	62.0	35.7	2.2	70.6	27.2	2.2	70.0(66.6 ± 16.2)	0.768 (0.726 ± 0.150)

*1 = no problem; 2 = moderate or some problem; 3 = inability or extreme problem.
**Median (Mean ± standard deviation).
Abbreviation: VAS visual analog scale.

ISSN: 1477-7525