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Table 3 Comparisons of clinical parameters between the higher and low arterial stiffness groups

From: Associations between continuous glucose monitoring-derived metrics and arterial stiffness in Japanese patients with type 2 diabetes

Parameter

Low arterial stiffness (n = 296)

High arterial stiffness (n = 149)

P value

Age (years)

63.5 ± 9.2

70.7 ± 5.9

< 0.001

Male gender (%)

201 (67.9)

100 (67.1)

0.866

Body mass index (kg/m2)

24.8 ± 3.9

23.8 ± 3.4

0.007

Estimated duration of diabetes (years)

12.0 ± 7.4

16.4 ± 9.3

< 0.001

Diabetic retinopathy (%)

57 (19.3)

51 (34.2)

< 0.001

Smoking status (%) never/former/current smoker

123 (41.6)/102 (34.5)/71 (24)

65 (43.6)/63 (42.3)/21 (14)

0.040

Hypertension (%)

159 (53.7)

97 (65.1)

0.022

Systolic blood pressure (mmHg)

129.9 ± 12.4

137.6 ± 17.7

< 0.001

Diastolic blood pressure (mmHg)

77.3 ± 10.9

76.7 ± 11.8

0.560

HbA1c (%)

7.1 ± 0.83

7.1 ± 0.69

0.532

HbA1c (mmol/mol)

53.7 ± 9.0

54.2 ± 7.5

0.532

Total cholesterol (mmol/L)

4.93 ± 0.78

4.88 ± 0.78

0.523

LDL cholesterol (mmol/L)

2.78 ± 0.63

2.73 ± 0.64

0.492

HDL cholesterol (mmol/L)

1.55 ± 0.40

1.56 ± 0.40

0.757

Triglycerides (mmol/L)

1.39 ± 1.05

1.41 ± 1.04

0.459

Uric acid (μmol/L)

309.5 ± 74.5

312.7 ± 71.6

0.668

Estimated glomerular filtration rate (mL/min/1.73 m2)

72.9 ± 19

66.7 ± 17

< 0.001

Urinary albumin excretion (mg/g creatinine)

11.0 (0.9-1414.6)

21.6(1.9–7398.0)

< 0.001

Normoalbuminuria/microalbuminuria/macroalbuminuria (%)

230 (77.7)/51 (17.2)/15 (5.1)

92(61.7)/43(28.9)/14(9.4)

0.002

Use of oral glucose-lowering agents (%)

260 (88)

140 (94)

0.043

Metformin (%)

161 (54)

73 (49)

0.282

Sulfonylureas (%)

30 (10)

29 (20)

0.006

Glinides (%)

16 (5.4)

9 (6)

0.784

Dipeptidyl peptidase-4 inhibitors (%)

154 (52)

98 (65.8)

0.006

Sodium-glucose cotransporter 2 inhibitors (%)

73 (25)

29 (20)

0.218

Thiazolidinediones (%)

42 (14)

13 (9)

0.098

α-glucosidase inhibitors (%)

91 (31)

33 (22)

0.056

Glucagon-like peptide-1 antagonists (%)

12 (4)

8 (5.4)

0.628

Insulin (%)

31 (11)

32 (22)

0.002

Angiotensin-converting enzyme inhibitors (%)

8 (3)

10 (7)

0.071

Angiotensin II receptor blockers (%)

127 (43)

65 (44)

0.885

Calcium channel blockers (%)

64 (22)

53 (36)

0.002

Statins (%)

140 (47)

67 (45)

0.642

Antiplatelet agents (%)

10 (3)

9 (6)

0.217

FLP-CGM-derived metrics

   

Mean glucose (mmol/L)

7.56 ± 1.68

8.13 ± 1.94

0.037

SD (mmol/L)

1.93 ± 0.60

2.22 ± 0.66

< 0.001

CV (%)

24.8 ± 5.62

27.4 ± 5.9

< 0.001

MAGE (mmol/L)

5.13 ± 1.88

6.06 ± 2.34

< 0.001

TIR3.9–10 mmol/L (%)

80.6 ± 19.5

74.8 ± 19.9

0.004

TAR > 10 mmol/L (%)

17.9 ± 19.7

22.9 ± 20.6

0.013

TAR > 13.9 mmol/L (%)

3.33 ± 7.98

5.41 ± 10.9

0.023

TBR < 3.9 mmol/L (%)

1.52 ± 3.52

2.27 ± 5.46

0.085

TBR < 3.0 mmol/L (%)

0.23 ± 1.23

0.42 ± 1.58

0.155

LBGI

1.34 ± 1.58

1.60 ± 1.63

0.103

HBGI

5.17 ± 4.22

6.56 ± 5.27

0.003

MODD (mmol/L)

1.67 ± 0.58

1.83 ± 0.68

0.011

IQR (mmol/L)

2.06 ± 0.71

2.24 ± 0.87

0.024

  1. Data are mean ± SD, medians (range), or number of patients (%). Continuous data were compared using Student’s t-test or Wilcoxon’s rank sum test. Categorical data were compared using the Chi square test or Fisher’s exact test as appropriate
  2. CV: coefficient of variation; FLP-CGM: FreeStyle Libre Pro continuous glucose monitoring; HBGI: high blood glucose index; HDL: high-density lipoprotein; IQR: interquartile range; LBGI: low blood glucose index; LDL: low-density lipoprotein; MAGE: mean amplitude of glycemic excursion; MODD: mean of daily differences; SD: standard deviation; TAR: time above range; TBR: time below range; TIR: time in range