Table 3.

Estimated disease severity distributions

No	Disease	Severity level	KNHNES		KCHS
			%	Year	%	Year
3	Angina pectoris	Mild	87.6	2005–2012	88.2	2008–2012
		Moderate	3.1		2.1
		Severe	9.3		9.7
5	Stroke	Long-term consequences, mild	86.4	2005–2012	81.0	2008–2012
		Long-term consequences, moderate	4.9		5.4
		Long-term consequences, moderate plus cognition problems	6.5		6.0
		Long-term consequences, severe	1.9		5.0
		Long-term consequences, severe plus cognition problems	0.2		2.6
6	Asthma	Controlled	53.9	2005–2012	52.4	2008–2012
		Partially controlled	17.9		14.4
		Uncontrolled	28.2		33.2
7	COPD & other respiratory problems	Mild	66.5	2005–2012
		Moderate	23.3
		Severe	10.1
15	Major depressive disorder	Mild	88.8	2007–2012	86.1	2009–2012
		Moderate	9.8		10.8
		Severe	1.5		3.1
20	Low back pain	Acute without leg pain			97.7	2008
		Acute with leg pain			0.2
		Chronic without leg pain			0.3
		Chronic with leg pain			1.7
22	Musculoskeletal problems: leg	Mild	74.5	2005–2012	71.2	2008
		Moderate	14.3		17.0
		Severe	11.2		11.7
31	Anemia	Mild	91.9	2005–2009	90.4	2008,2012
		Moderate	6.1		6.9
		Severe	2.1		2.7
32	Allergic rhinitis and conjunctivitis	Mild	97.9	2005–2009	98.0	2008–2012
		Moderate	2.1		2.0

KNHNES Korean National Health and Nutrition Examination Surveys, KCHS Korean Community Health Survey, COPD chronic obstructive pulmonary disease