Adjusted odds of DKA based on logistic regression models: what variables explain the differences in DKA rates between ORs and 99% CIs
Model 1 | Model 2 | Model 3 | Model 4 | Model 5 | Model 6 | |
---|---|---|---|---|---|---|
Registry/audit | ||||||
T1DX vs. DPV | 1.44 (1.28–1.63)* | 1.49 (1.31–1.68)* | 1.47 (1.30–1.67)* | 1.05 (0.92–1.20) | 1.06 (0.93–1.21) | 1.06 (0.93–1.21) |
NPDA vs. DPV | 1.30 (1.16–1.46)* | 1.33 (1.18–1.49)* | 1.42 (1.26–1.61)* | 0.79 (0.69–0.89)* | 0.78 (0.68–0.90)* | 0.79 (0.68–0.91)* |
Age | ||||||
6 to <13 vs. <6 years | — | 0.99 (0.77–1.28) | 0.94 (0.72–1.22) | 0.93 (0.71–1.22) | 0.91 (0.69–1.20) | 0.91 (0.69–1.20) |
13 to <18 vs. <6 years | — | 1.35 (1.04–1.74)* | 1.28 (0.99–1.66) | 0.92 (0.70–1.21) | 0.89 (0.67–1.17) | 0.89 (0.67–1.18) |
Sex | ||||||
Female vs. male | — | 1.35 (1.22–1.49)* | 1.32 (1.19–1.46)* | 1.26 (1.13–1.40)* | 1.23 (1.11–1.38)* | 1.23 (1.10–1.37)* |
Type 1 diabetes duration | ||||||
>3 vs. 1 to <3 years | — | 1.28 (1.13–1.44)* | 1.30 (1.14–1.47)* | 1.10 (0.96–1.26) | 1.08 (0.94–1.24) | 1.08 (0.94–1.24) |
Ethnic minority status | ||||||
Yes vs. no | — | — | 1.49 (1.32–1.68)* | 1.27 (1.12–1.44)* | 1.26 (1.11–1.43)* | 1.27 (1.11–1.44)* |
HbA1c | ||||||
7.5 to <9.0% vs. <7.5% | — | — | — | 2.48 (2.04–3.00)* | 2.54 (2.09–3.09)* | 2.54 (2.09–3.09)* |
≥9.0% vs. <7.5% | — | — | — | 8.64 (7.14–10.45)* | 8.73 (7.18–10.62)* | 8.74 (7.18–10.63)* |
BMI | ||||||
Underweight vs. normal weight | — | — | — | — | 1.33 (0.74–2.37) | 1.33 (0.74–2.37) |
Overweight vs. normal weight | — | — | — | — | 1.03 (0.90–1.17) | 1.02 (0.90–1.17) |
Obesity vs. normal weight | — | — | — | — | 0.84 (0.71–1.00)* | 0.84 (0.71–1.00)* |
Method of insulin delivery | ||||||
Pump vs. injection | — | — | — | — | — | 1.02 (0.91–1.15) |
↵*P < 0.01.