Age-related differences in diabetes care outcomes in Korea: a retrospective cohort study

Table 2 Prevalence of hospitalization and poor glycemic control (2009) among diabetic patients by socio-demographic and clinical factors (2007–2008)

	Hospitalization (%)	p-value^‡	Poor glycemic control (%)	p-value^‡
Gender
Male	12.2		55.7
Female	13.8	0.11	51.5	0.006
Age groups
40-49	9.6		63.7
50-59	11.3		58.0
60-69	13.5		51.2
70-79	16.8	<0.001	43.7	<0.001
Prior hospitalization
No	10.2		53.8
Hospitalized	23.1	<0.001	56.2	0.42
Prior glycemic control
Controlled	11.9		37.9
Uncontrolled (≥126 mg/dL)	13.7	0.07	68.4	<0.001
Hypertension^*
Normal	11.2		53.1
Hypertensive	14.5	0.0025	56.3	0.03
Total cholesterol level
Desirable	12.6		53.4
High(≥240 mg/dL)	14.6	0.22	58.4	0.02
BMI, kg/m²
Normal(<25)	12.9		53.9
Overweight(25–29.9)	12.3		54.1
Obese(≥30)	15.2	0.42	53.9	0.99
Duration of diabetes
3-5 yrs	10.0		48.4
6-8 yrs	11.3		53.1
≥9 yrs	15.9	<0.001	58.9	<0.001
Number of complications
No	9.1		52.8
1-2	13.1		53.9
≥3	20.7	<0.001	54.6	0.76
Continuity of care^†
High	10.6		52.9
Low	15.2	<0.001	55.2	0.11
Types of main medical institution attended
Tertiary hospital	14.1		46.6
General hospital	13.8		52.6
Hospital	18.2		55.3
Clinic	12.2		55.1
Public health centre	11.6	0.07	53.4	0.07
Level of health insurance premium
Lowest quartile	13.0		54.0
Second quartile	12.3		55.3
Third quartile	14.0		53.5
Highest quartile	11.9	0.39	53.7	0.87

ISSN: 1471-2318