Table 2

DKA rate and unadjusted ORs of DKA by registry with 99% CIs

OverallDPVNPDAT1DX
N% DKAOR (99% CI)n% DKAOR (99% CI)n% DKAOR (99% CI)n% DKAOR (99% CI)
Age
 <6 years2,6934.51.001,1714.31.008673.81.006556.01.00
 6 to <13 years20,4135.11.12 (0.87–1.45)8,4334.31.00 (0.67–1.49)6,8215.41.43 (0.89–2.31)5,1596.01.00 (0.64–1.58)
 13 to <18 years26,7536.81.54 (1.20–1.97)12,7935.61.34 (0.91–1.96)8,6267.62.07 (1.30–3.31)5,3348.41.44 (0.92–2.25)
Sex
 Male26,0335.21.0011,6914.61.008,6405.21.005,7026.41.00
 Female23,8266.91.35 (1.23–1.49)10,7065.61.23 (1.05–1.44)7,6747.91.58 (1.33–1.86)5,4467.91.26 (1.04–1.53)
Type 1 diabetes duration
 1 to <3 years13,7214.81.005,8774.21.004,7035.11.003,1415.41.00
 >3 years36,1386.41.37 (1.21–1.53)16,5205.41.29 (1.07–1.56)11,6117.01.40 (1.15–1.70)8,0077.81.48 (1.17–1.86)
Minority
 No38,9255.61.0017,8274.71.0012,4716.41.008,6276.11.00
 Yes8,5327.91.44 (1.28–1.62)4,5706.31.36 (1.13–1.63)1,4418.31.31 (1.01–1.71)2,52110.41.78 (1.45–2.18)
HbA1c
 <7.5% (58 mmol/mol)13,4851.81.009,4071.71.001,7602.01.002,3182.11.00
 7.5 to <9.0% (58–75 mmol/mol)21,2674.32.40 (1.99–2.90)8,8334.62.76 (2.16–3.51)6,7463.31.65 (1.03–2.66)5,6884.92.44 (1.62–3.67)
 ≥9.0% (75 mmol/mol)12,97713.08.04 (6.72–9.62)3,70614.69.78 (7.72–12.39)6,16411.06.07 (3.86–9.54)3,10714.98.28 (5.57–12.32)
BMI
 Underweight2799.01.61 (0.93–2.77)1388.01.62 (0.72–3.66)8710.31.62 (0.65–4.05)549.31.47 (0.44–4.95)
 Normal weight27,2405.81.0014,4105.11.006,2626.61.006,5686.51.00
 Overweight10,6606.21.07 (0.95–1.21)5,1355.21.03 (0.85–1.25)2,8286.30.94 (0.74–1.19)2,6977.81.22 (0.97–1.53)
 Obesity5,6325.60.97 (0.82–1.14)2,2934.20.83 (0.62–1.10)1,6554.80.70 (0.51–0.97)1,6848.31.29 (1.00–1.68)
Method of insulin delivery
 Injection31,8116.31.0012,4944.91.0014,4456.41.004,8729.61.00
 Pump18,0035.30.84 (0.76–0.93)9,9035.21.05 (0.90–1.23)1,8696.81.07 (0.83–1.37)6,2315.20.51 (0.42–0.62)