Prevalence and risk factors of diabetes mellitus among elderly patients in the Lugu community

Table 1 Comparison of hypertension and diastolic blood pressure between the two groups

	DM group (n = 1575)	Non-DM group (n = 3241)	t value	P value
Systolic blood pressure (left side)	137.90 ± 11.92	126.60 ± 12.44	4.779	< 0.001
Diastolic blood pressure (left side)	69.95 ± 7.75	71.15 ± 12.55	3.475	0.005

DM: Diabetes mellitus; Non-DM: Nondiabetic mellitus.

Table 2 Statistics of underlying disease in the two groups

	DM group (n = 1575)	Non-DM group (n = 3241)	χ2 value	P value
			332.9	< 0.001
Hypertension	1274	1743
Nonhypertension	301	1498
			227.8	< 0.001
Coronary heart disease	992	1291
Noncoronary heart disease	583	1950
			182.4	< 0.001
Chronic kidney disease	986	1357
Non chronic kidney disease	589	1884
Alcohol consumption, frequency per week			641.1	< 0.001
< 1 time	198	1569
1-2 times	529	854
≥ 3 times	848	818

DM: Diabetes mellitus; Non-DM: Nondiabetic mellitus.