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Table 1 Baseline characteristics of subjects with type 2 diabetes mellitus and control subjects (n = 106)

From: Sleep-wake cycle irregularities in type 2 diabetics

 

Control subjects (n = 32)

T2DM subjects (n = 74)

p value

Gender, male/female

19/13

37/37

0.4041

Age, years

62 ± 1 (39-83)

66 ± 1 (36-84)

0.5349

Job type

(non/employee/individual proprietor/homemaker/others)

5/14/1/11/1

17/25/1/27/4

 

Body mass index, kg/m2

22.7 ± 0.7 (13.9-30.8)

24.7 ± 0.5 (17.8-34.5)

0.0153

Blood glucose, mg/dL

94 ± 3 (53-113)

128 ± 74 (52-252)

<0.001

Glycoalbumin, %

14.9 ± 1.0 (12.9-16.0)

19.8 ± 0.6 (12.5-33.3)

0.0243

HbA1c (NGSP), %

5.9 ± 0.1 (5.4-6.3)

7.0 ± 0.1 (5.6-14.4)

0.0001

Systolic blood pressure, mmHg

138 ± 23 (98-174)

137 ± 2 (101-182)

0.9149

Diastolic blood pressure, mmHg

81 ± 2 (65-97)

80 ± 1 (49-105)

0.7800

Triglyceride, mg/dL

175 ± 41 (44-1231)

138 ± 10 (34-471)

0.8158

High-density lipoprotein cholesterol, mg/dL

62 ± 23 (31-121)

53 ± 2 (17-103)

0.0079

Low-density lipoprotein cholesterol, mg/dL

117 ± 5 (80-196)

112 ± 4 (64-208)

0.3333

Uric acid, mg/dL

5.5 ± 0.2 (2.8-7.8)

5.5 ± 0.2 (2.7-9.4)

0.9827

Creatinine, mg/dL

0.70 ± 0.02 (0.46-1.15)

0.86 ± 0.05 (0.44-2.83)

0.0798

Diabetic neuropathy

-

n = 15

 

Diabetic retinopathy (NDR/SDR/PDR)

-

n = 56/6/12

 

Diabetic nephropathy (stage I/II/III/IV)

-

n = 57/9/3/5

 

Drugs for diabetes (medication/insulin)

-

n = 57/17

 

Hypertension (under medications)

n = 18 (n = 11)

n = 60 (n = 46)

0.0151

Dyslipidemia (under medications)

n = 21 (n = 13)

n = 48 (n = 34)

0.8253

Insomnia, under medications

n = 6

n = 11

0.7736

  1. Data are mean ± SEM or n (range). Significant level was set at p value <0.05 (bold type). T2DM: type 2 diabetes mellitus, NDR: non-diabetic retinopathy, SDR: simple diabetic retinopathy, PDR: proliferative diabetic retinopathy.