Table 1 Comparison of demographic, clinical and admission characteristics between study participants in those with and without type 2 diabetes mellitus

N

136

99

Male (N, %)

85 (63%)

54 (54%)

NS

Mean age (years)

62 ± 17

67 ± 13

< 0.01*

Country of birth

 Australia/NA

88

84

NS

 Europe

17

19

NS

 Asia

10

15

NS

 Middle East

6

5

NS

 India

6

4

NS

 Pacific Islands

5

6

NS

 Aboriginal/Torres Strait Islander

3

1

NS

 New Zealand

3

1

NS

 Africa

1

1

NS

Overweight (BMI 25–29.9 kg/m²) (N)**

41**

21**

0.001*

Obese (BMI ≥ 30 kg/m²) (N)**

37**

45**

 0.01*

Pre-diabetes (N; %)

72 (53)

–

–

Body mass index (kg/m²)

28 ± 5

32 ± 8

< 0.001*

Glycosylated haemoglobin (HbA1c)

 mmol/mol

39 ± 3

55 ± 9

 < 0.001* 

 %

5.7 ± 0.4

7.3 ± 1.3

Admission details

Primary reason for admission

 Chest pain

35 (26)

28 (29)

 < 0.0001***

 Ischaemic heart disease

7 (5)

21 (21)

 Heart failure

13 (10)

18 (18)

 Arrhythmias

35 (26)

9 (9)

 Other heart disease

24 (18)

11 (11)

 Other (deemed non-cardiac)

21 (15)

12 (12)

Length of stay (hours)

101 ± 130

144 ± 140

 0.01*

National weighted activity unit (NWAU)

1.35 ± 1.52

1.72 ± 1.46

 0.07