Table 2.

Comparison of Risk Factors for Recurrent DKA Readmissions in Pediatric and Adult Patients With T1D

	One to Three DKA Readmissions vs No Readmission				P Value for Interaction	Four or More DKA Readmissions vs No Readmission				P Value for Interaction
	Pediatric		Adult			Pediatric		Adult
	OR	95% CI	OR	95% CI		OR	95% CI	OR	95% CI
Age class	1.47	1.15–1.87	0.85	0.81–0.88	<0.001a	11.66	3.74–36.37	0.71	0.66–0.76	<0.001a
Sex
Male	1.00	Ref	1.00	Ref		1.00	Ref	1.00	Ref	—
Female	1.38	0.93–2.05	1.25	1.05–1.50	0.90	2.31	1.12–4.77	1.51	1.11–2.04	0.20a
Race
White	1.00	Ref	1.00	Ref	—	1.00	Ref	1.00	Ref	—
Black	1.34	0.86–2.07	0.70	0.58–0.85	<0.001a	0.62	0.29–1.34	0.96	0.69–1.34	0.83
Other	1.17	0.566–2.43	0.70	0.50–0.98	0.03a	1.77	0.52–5.97	0.32	0.14–0.73	<0.001a
Ethnicity
Hispanic	0.75	0.22–2.58	0.36	0.19–0.66	0.11a	0.74	0.14–3.98	0.35	0.09–1.44	0.10a
Non-Hispanic	1.00	Ref	1.00	Ref	—	1.00	Ref	1.00	Ref	—
Area deprivation
Least deprived	1.00	Ref	1.00	Ref	—	1.00	Ref	1.00	Ref	—
Moderately deprived	4.26	1.79–10.12	1.17	0.85–1.62	<0.001a	7.87	1.02–60.81	1.28	0.66–2.48	0.10a
Most deprived	4.04	1.68–9.73	1.37	0.99–1.90	<0.010a	7.76	1.04–58.11	2.23	1.16–4.25	0.20a
Payer
Private	1.00	Ref	1.00	Ref	—	1.00	Ref	1.00	Ref	—
Medicare	—	—	1.45	1.08–1.95	—	—	—	2.82	1.62–4.88	—
Medicaid	1.85	1.17–2.90	1.39	1.11–1.75	0.06a	2.81	1.35–5.87	1.99	1.32–3.01	0.64
Self-pay/charity	0.42	0.05–3.76	1.40	1.04–1.89	0.41	—	—	1.75	1.05–2.92	—
Other	2.13	0.76–6.00	0.58	0.29–1.17	0.01a	1.17	0.13–10.34	0.68	0.19–2.36	0.62
Marital status
Not married	1.00	Ref	1.00	Ref	—	1.00	Ref	1.00	Ref	—
Married	6.61	0.53–82.50	0.83	0.67–1.03	0.15a	—	—	0.88	0.58–1.34	—
Severity of illness	1.30	0.81–2.08	1.23	1.06–1.42	0.33	0.70	0.30–1.62	1.79	1.42–2.25	0.23
AMA	1.93	0.55–6.79	1.62	1.10–2.40	0.40	1.88	0.43–8.32	1.87	1.06–3.31	0.19a

^aThreshold for P value for interaction between variable and adult and pediatric status is ≤0.20.

Abbreviation: Ref, reference group.