Table 3 Factors associated with mortality among adults with and without diabetes admitted to South Western Sydney Local Health District hospitals by diabetes status. Unadjusted (OR) and adjusted odds ratios (aOR) with their 95% confidence intervals are shown
Variables | Diabetes | Non-diabetes | ||
|---|---|---|---|---|
Financial year | OR (95 CI) | aOR (95 CI) | OR (95 CI) | aOR (95 CI) |
July 2014–15 | 1.00 | 1.00 | 1.00 | 1.00 |
July 2015–16 | 0.87 (0.74–1.01) | 0.82 (0.70–0.96) | 0.93 (0.87–0.99) | 0.83 (0.78–0.89) |
July 2016–17 | 0.92 (0.79–1.07) | 0.89 (0.76–1.04) | 0.93 (0.88–0.99) | 0.83 (0.78–0.89) |
Demography | ||||
Age groups | ||||
18–54 | 1.00 | 1.00 | 1.00 | 1.00 |
55–64 | 2.27 (1.67–3.09) | 1.92 (1.36–2.69) | 3.20 (2.85–3.60) | 3.72 (3.27–4.23) |
65–74 | 2.82 (2.11–3.77) | 2.40 (1.74–3.31) | 4.87 (4.39–5.40) | 4.94 (4.39–5.57) |
75–84 | 4.83 (3.65–6.40) | 3.69 (2.68–5.08)) | 9.34 (8.48–10.30) | 7.23 (6.44–8.12) |
85+ | 8.09 (6.06–10.79) | 6.47 (4.67–8.97) | 20.44 (18.56–22.52) | 12.08 (10.76–13.56) |
Sex | ||||
Women | 1.00 | 1.00 | 1.00 | 1.00 |
Men | 1.29 (1.14–1.47) | 1.41 (1.23–1.62) | 1.29 (1.23–1.36) | 1.25 (1.19–1.33) |
Marital status | ||||
Married | 1.00 | 1.00 | 1.00 | 1.00 |
Widowed | 1.49 (1.30–1.70) | 1.21 (1.05–1.41) | 1.89 (1.79–1.99) | 1.08 (1.02–1.15) |
Single | 0.77 (0.60–0.99) | 1.15 (0.88–1.51) | 0.46 (0.42–0.51) | 0.95 (0.86–1.06) |
Place of birth | ||||
Australia | 1.00 | 1.00 | 1.00 | 1.00 |
America | 0.54 (0.33–0.90) | 0.51 (0.31–0.85) | 0.69 (0.57–0.84) | 0.80 (0.66–0.97) |
Asia | 0.83 (0.71–0.98) | 0.87 (0.74–1.03) | 0.69 (0.64–0.74) | 0.96 (0.89–1.03) |
Africa | 0.92 (0.62–1.36) | 0.93 (0.62–1.39) | 0.74 (0.62–0.88) | 1.06 (0.90–1.27) |
Europe | 1.17 (1.00–1.37) | 0.91 (0.77–1.07) | 1.58 (1.48–1.68) | 0.96 (0.90–1.02) |
Pacific | 0.55 (0.40–0.77) | 0.68 (0.49–0.97) | 0.35 (0.31–0.41) | 0.92 (0.79–1.07) |
Residence | ||||
Peri-urban | 1.00 | 1.00 | 1.00 | 1.00 |
Urban | 0.93 (0.81–1.06) | – | 1.10 (1.04–1.16) | – |
Hospital health insurance cover | ||||
Full hospital cover | 1.00 | 1.00 | 1.00 | 1.00 |
No hospital cover | 0.95 (0.77–1.17) | – | 0.54 (0.50–0.58) | 0.86 (0.79–0.93) |
Episode length of stay (LOS) | ||||
≤ 4 days | 1.00 | 1.00 | 1.00 | 1.00 |
> 4 days | 2.87 (2.53–3.25) | 1.77 (1.54–2.03) | 6.45 (6.13–6.79) | 1.61 (1.52–1.70) |
ICU admission (No, OR = 1) | ||||
Yes | 6.73 (5.56–8.15) | 4.97 (4.00–6.16) | 15.98 (14.73–17.32) | 5.40 (4.93–5.91) |
Primary admission diagnosis (ICD classification) | ||||
Nervous system (No, OR = 1) | 0.67 (0.42–1.09) | – | 0.60 (0.48–0.76) | – |
Respiratory system (No, OR = 1) | 2.69 (2.27–3.18) | 2.02 (1.69–2.43) | 5.15 (4.82–5.51) | 2.15 (2.00–2.31) |
Circulatory system (No, OR = 1) | 2.18 (1.88–2.53) | 1.54 (1.30–1.82) | 4.95 (4.65–5.27) | 1.82 (1.69–1.95) |
Digestive system (No, OR = 1) | 0.51 (0.40–0.67) | 0.68 (0.52–0.89) | 0.86 (0.77–0.95) | 0.85 (0.76–0.95) |
Musculoskeletal + connective system (No, OR = 1) | 0.13 (0.06–0.28) | 0.17 (0.08–0.37) | 0.24 (0.18–0.32) | 0.22 (0.16–0.30) |
Skin + subcutaneous system (No, OR = 1) | 0.19 (0.08–0.46) | 0.28 (0.12–0.68) | 0.40 (0.29–0.54) | 0.41 (0.30–0.55) |
Endocrine, nutritional + metabolic system (No, OR = 1) | 0.36 (0.21–0.60) | 0.43 (0.25–0.73) | 1.22 (0.98–1.52) | – |
Number of comorbidities | ||||
Only primary admission diagnosis | 1.00 | 1.00 | 1.00 | 1.00 |
Primary+ one comorbidity | 0.29 (0.04–2.25) | 0.08 (0.01–0.64) | 3.06 (2.35–4.00) | 4.23 (3.21–5.57) |
Primary+ 2/more comorbidities | 2.04 (0.28, 14.7) | 0.32 (0.04–2.45) | 43.0 (35.6, 52.0) | 28.68 (23.49–35.02) |