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Table 3 Baseline characteristics of FDS2 participants with type 2 diabetes by incident IHD status, excluding those with pre-recruitment hospitalisation for/with IHD

From: Prevalence and prognostic significance of cardiac autonomic neuropathy in community-based people with type 2 diabetes: the Fremantle Diabetes Study Phase II

 

No hospitalisation for/with IHD or non-HF cardiac/sudden death

Incident hospitalisation for IHD or non-HF cardiac/sudden deathb

P-value

N (%)

516 (78.4)

142 (21.6)

 

CAN group (%)

0.099

 None

55.6

50.0

 

 Possible

32.9

31.7

 

 Definite

11.4

18.3

 

MCR (n = 658)

21.4 [12.4–34.8]

22.1 [11.9–31.0]

0.578

E:I ratio (n = 658)

1.13 [1.09–1.20]

1.13 [1.08–1.18]

0.198

Valsalva ratio (n = 642)

1.51 [1.33–1.73]

1.44 [1.28–1.58]

0.009

30:15 Stand ratio (n = 657)

1.16 [1.09–1.25]

1.12 [1.07–1.21]

< 0.001

Orthostatic hypotension (%)

14.8

8.5

0.069

Age (years)

60.9 ± 10.5

62.0 ± 10.5

0.257

Male (%)

53.1

54.9

0.705

Education beyond primary level (%)

93.7

92.9

0.702

Not fluent in English (%)

6.4

6.3

> 0.999

Ethnic background (%)

0.046

 Anglo-Celt

54.1

50.0

 

 Southern European

11.0

10.6

 

 Other European

7.2

7.7

 

 Asian

4.8

2.8

 

 Aboriginal

5.6

14.1

 

 Mixed/other

17.2

14.8

 

Smoking status (%)

0.225

 Never

54.5

46.4

 

 Ex-

34.9

40.7

 

 Current

10.6

12.9

 

Alcohol consumption (standard drinksa/day)

0.3 [0–1.5]

0.1 [0–0.8]

0.034

Antidepressant use (%)

14.1

15.5

0.687

 Tricyclic antidepressants

2.5

4.2

0.267

Selective serotonin reuptake inhibitors

8.9

6.3

0.394

Age at diabetes diagnosis (years)

52.8 ± 11.2

50.9 ± 12.3

0.076

Diabetes duration (years)

5.7 [2.6–13.0]

10.0 [4.2–16.1]

< 0.001

Diabetes treatment (%)

  

0.019

 Diet/exercise

25.5

17.0

 

 Oral agents ± non-insulin injectables

56.1

53.9

 

 Insulin alone

2.7

5.0

 

 Insulin ± oral agents ± non-insulin injectables

15.6

24.1

 

HbA1c (%)

6.8 [6.2–7.6]

7.1 [6.3–8.3]

0.005

HbA1c (mmol/mol)

51 [44–60]

54 [45–67]

0.005

Fasting serum glucose (mmol/L)

7.3 [6.4–8.9]

7.6 [6.5–10.6]

0.035

ABSI (m11/6 kg−2/3)

0.080 ± 0.005

0.082 ± 0.005

0.004

BMI (kg/m2)

32.2 ± 6.2

31.8 ± 7.0

0.502

Pulse rate (beats/min)

70 ± 11

73 ± 12

0.004

Supine systolic blood pressure (mmHg)

141 ± 20

146 ± 20

0.003

Supine diastolic blood pressure (mmHg)

81 ± 12

81 ± 13

0.851

Antihypertensive medication (%)

64.3

65.5

0.843

 Angiotensin converting enzyme inhibitors

30.2

33.1

0.539

 Angiotensin receptor blockers

31.2

35.2

0.363

 Beta-blockers

8.9

9.9

0.743

 Calcium channel blockers

20.2

21.1

0.814

 Diuretics

24.0

28.9

0.274

Total serum cholesterol (mmol/L)

4.3 ± 1.0

4.5 ± 1.2

0.040

Serum HDL-cholesterol (mmol/L)

1.21 ± 0.33

1.19 ± 0.29

0.534

Serum triglycerides (mmol/L)

1.5 (0.9–2.4)

1.6 (1.0–2.7)

0.028

Lipid-lowering medication (%)

64.1

61.3

0.555

uACR (mg/mmol)

2.3 (0.7–7.5)

4.1 (0.8–21.6)

< 0.001

eGFR (mL/min/1.73m2)

86 ± 18

82 ± 21

0.048

eGFR categories (%)

  

0.254

 ≥ 90 mL/min/1.73m2

47.2

41.1

 

 60–89 mL/min/1.73m2

43.7

44.7

 

 45–59 mL/min/1.73m2

6.0

7.8

 

 30–44 mL/min/1.73m2

1.7

4.3

 

 < 30 mL/min/1.73m2

1.4

2.1

 

Distal symmetrical polyneuropathy (%)

28.7

38.3

0.031

Peripheral arterial disease (%)

17.9

23.2

0.184

Prior hospitalisation for cerebrovascular disease (%)

2.9

6.3

0.073

Prior hospitalisation for HF (%)

1.4

2.8

0.264

  1. a1 standard drink = 10 U ethanol; bthree participants with unknown cause of death excluded from this analysis