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Table 2 Prevalence and unadjusted odd ratios (OR) of factors associated with long ICU stay (> 48 h) among patients admitted to SWS hospitals by diabetes status (2014–2017). Bolded are significant associations

From: Factors associated with long intensive care unit (ICU) admission among inpatients with and without diabetes in South Western Sydney public hospitals using the New South Wales admission patient data collection (2014–2017)

Variables

Diabetes

Non-Diabetes

Year of admission

n (%)

OR

[95%CI]

n (%)

OR

[95%CI]

 2014–2015

176 (48.9)

1.00

 

751 (45.1)

1.00

 

 2015–2016

174 (44.3)

0.83

[0.62, 1.11]

722 (42.5)

0.90

[0.79, 1.03]

 2016–2017

187 (40.4)

0.71

[0.54, 0.94]

853 (43.0)

0.93

[0.82, 1.06]

Demography

 Age groups

  18-34 yrs

14 (27.5)

1.00

 

182 (36.0)

1.00

 

  35-44 yrs

27 (37.0)

1.55

[0.71, 3.37]

175 (41.0)

1.31

[1.01, 1.71]

  45-54 yrs

70 (48.3)

2.47

[1.23, 4.95]

293 (44.0)

1.45

[1.14, 1.84]

  55-64 yrs

136 (47.1)

2.35

[1.22, 4.53]

457 (47.9)

1.68

[1.35, 2.10]

  65-74 yrs

160 (44.6)

2.12

[1.11, 4.07]

544 (45.3)

1.52

[1.23, 1.88]

  75 yrs. and over

130 (43.5)

2.03

[1.05, 3.92]

675 (43.0)

1.35

[1.09, 1.66]

 Sex

  Women

206 (43.3)

1.00

 

875 (39.0)

1.00

 

  Men

340 (45.9)

1.12

[0.89, 1.41]

1451 (46.6)

1.35

[1.21, 1.51]

 Marital status

  Marriedp

319 (43.3)

1.00

 

1325 (45.0)

1.00

 

  Previously married†

151 (47.9)

1.03

[0.70, 1.51]

561 (41.2)

0.91

[0.77, 1.08]

  Never married

73 (45.9)

0.85

[0.62, 1.16]

427 (43.0)

1.05

[0.91, 1.22]

 Country of birth

  Australia

230 (45.9)

1.00

 

1186 (43.0)

1.00

 

  America

23 (62.2)

1.97

[0.99, 3.91]

50 (41.0)

0.91

[0.63, 1.32]

  Asia

132 (44.0)

0.88

[0.66, 1.17]

475 (46.0)

1.14

[0.99, 1.32]

  Africa

12 (46.1)

1.03

[0.47, 2.26]

48 (47.1)

1.12

[0.75, 1.66]

  Europe

101 (41.7)

0.84

[0.62, 1.15]

424 (42.7)

0.99

[0.86, 1.15]

  Pacific

47 (43.5)

0.89

[0.58, 1.35]

137 (42.2)

0.96

[0.76, 1.21]

 Residence

  Peri-urban

201 (48.2)

1.00

 

855(46.6)

1.00

 

  Urban

345 (43.2)

0.82

[0.64, 1.03]

1471 (42.0)

0.83

[0.74, 0.93]

 Hospital health insurance cover

  Full hospital cover

69 (48.2)

1.00

 

334 (45.9)

1.00

 

  No hospital cover

477 (44.4)

0.83

[0.54, 1.18]

1992 (43.2)

0.91

[0.78, 1.06]

Mode of separation from the hospital

 Deaths

  No

472 (43.7)

1.00

 

1913(42.0)

1.00

 

  Yes

74 (55.0)

1.57

[1.09, 2.24]

413 (53.7)

1.56

[1.34, 1.82]

Primary admission diagnosis, ICD-10 (Ref = No)

 Diseases of the Nervous system

15 (57.7)

1.75

[0.79, 3.83]

63 (51.0)

1.34

[0.94, 1.92]

 Diseases of the Respiratory system

48 (38.1)

0.73

[0.50, 1.07]

311 (43.0)

0.96

[0.82, 1.12]

 Diseases of the Circulatory system

246 (51.3)

1.44

[1.14, 1.81]

246 (51.0)

1.44

[1.14, 1.81]

 Diseases of the Digestive system

51 (48.1)

1.19

[0.80, 1.77]

234 (38.8)

0.83

[0.70, 0.98]

 Diseases of the Musculoskeletal/Connective system

4 (18.2)

0.28

[0.09, 0.82]

24 (27.0)

0.49

[0.30, 0.78]

 Diseases of the Skin/Subcutaneous system

5 (45.4)

1.05

[0.32, 3.47]

9 (21.9)

0.37

[0.18, 0.78]

 Diseases of the Endocrine/nutritional/metabolic system

546 (44.9)

0.58

[0.34, 0.87]

31 (39.0)

0.81

[0.51, 1.29]

Presence of any comorbidities

 No

140 (42.3)

1.00

 

806 (38.6)

1.00

 

 Yes

397 (44.9)

1.11

[0.86, 1.43]

1484 (45.6)

1.33

[1.19, 1.49]

  1. ICU Intensive care unit, ICD International Classification of Diseases 10th revision (ICD-10), n number, OR odd ratio, p includes de facto, † Widowed/separated/divorced, ‡ Peri urban includes Wollondilly, Camden, Wingecarribee Local Government Areas (LGA) while Urban includes Campbelltown, Fairfield, Bankstown-Lidcombe LGAs