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Table 1 Baseline characteristics (N = 21)

From: Associations of hypoglycemia, glycemic variability and risk of cardiac arrhythmias in insulin-treated patients with type 2 diabetes: a prospective, observational study

Age (years)

66.8 (9.6)

Female

6 (28.6%)

BMI (kg/m2)

30.1 (4.5)

Smoking

 Previous

10 (48%)

 Current

3 (14%)

HbA1c (%)

6.8 (0.5)

HbA1c (mmol/mol)

51.0 (4.8)

FPG (mmol/L)

7.5 (1.8)

Insulin treatment

21 (100%)

 Basal

11 (52%)

 Basal/bolus

5 (24%)

 Insulin mix

4 (19%)

 Insulin mix/bolus

1 (5%)

Daily insulin dose (IU)

40 (25–58)

Oral glucose-lowering drugs

13 (62%)

 Metformin

10 (48%)

 SGLT2i

4 (19%)

 DDP-4i

3 (14%)

Diabetes duration (years)

18.2 (7.9)

Impaired awareness

6 (28.6%)

Microvascular complications

 Neuropathy

18 (86%)

 Retinopathy

7 (33%)

 Nephropathy

9 (43%)

Macrovascular complications

 Coronary artery disease

2 (10%)

 Cerebrovascular disease

1 (5%)

 Peripheral artery disease

1 (5%)

Hypertension

18 (86%)

Beta blocker

4 (19%)

Non-dihydropyridine calcium channel blocker

1 (5%)

Systolic blood pressure (mmHg)

145 (133–148)

Diastolic blood pressure (mmHg)

80 (75–85)

Heart rate (bpm)

64.3 (10.6)

Creatinine (µmol/L)

87 (71–109)

Potassium (mmol/L)

4.2 (0.4)

Echocardiographic measures

 Left ventricular ejection fraction (%)

58 (7.2)

 E/e′ (average of septal and lateral)

10.5 (2.7)

  1. Binary data are presented as N (%) and continuous variables are presented as mean with SD in parentheses or median with interquartile range in parentheses
  2. bpm, beats per min; DDP-4i, dipeptidyl peptidase-4 inhibitor; E, peak early mitral inflow velocity; e′, mitral annular peak early diastolic velocity; FPG, fasting plasma glucose; SGLT2i, sodium-glucose transport protein 2 inhibitor