The prevalence of multimorbidity in primary care: a comparison of two definitions of multimorbidity with two different lists of chronic conditions in Singapore

Table 2 Crude prevalence rates of single chronic conditions from CDMP and Fortin lists

Rank	CDMP^a Conditions	Patient Count	%	Fortin Conditions	Patient Count	%
1	Hyperlipidaemia	257,114	32.7	Hyperlipidaemia	257,114	32.7
2	Hypertension	221,760	28.2	Hypertension	221,760	28.2
3	Diabetes	125,058	15.9	Diabetes	124,954	15.9
4	Ischaemic Heart Disease	36,401	4.6	Arthritis &/or Rheumatoid arthritis	100,838	12.8
5	Asthma	28,778	3.7	Obesity	48,893	6.2
6	Chronic Kidney Disease	21,638	2.7	Cardiovascular disease (Angina, Myocardial infarction, Atrial fibrillation, poor circulation of lower limbs)	43,559	5.5
7	Stroke	19,808	2.5	Asthma, COPD^b, or Chronic bronchitis	32,611	4.1
8	Osteoarthritis	18,378	2.3	Chronic hepatitis	25,918	3.3
9	Benign Prostate Hypertrophy	13,031	1.7	Stroke and Transient Ischaemic Attack	23,628	3.0
10	Osteoporosis	7283	0.9	Stomach problem (reflux, heartburn, or gastric ulcer)	22,233	2.8
11	Anxiety	6085	0.8	Kidney disease or failure	22,221	2.8
12	Chronic Obstructive Pulmonary Disease (COPD)	5080	0.6	Thyroid disorder	20,781	2.6
13	Dementia	3571	0.5	Heart failure (including valve problem or replacement)	20,538	2.6
14	Schizophrenia	2889	0.4	Depression or anxiety	14,910	1.9
15	Epilepsy	2734	0.3	Chronic urinary problem	13,031	1.7
16	Rheumatoid Arthritis	2010	0.3	Any Cancer in the last 5 years	7940	1.0
17	Parkinson’s	1900	0.2	Osteoporosis	7283	0.9
18	Major Depression	1700	0.2	Dementia or Alzheimer’s disease	3571	0.5
19	Psoriasis	651	0.1	Colon problem (irritable bowel)	1571	0.2
20	Bipolar Disorder	51	0.0

^a CDMP Chronic Disease Management Programme, ^b COPD Chronic obstructive pulmonary disease

ISSN: 1471-2458