Table 1

History of diabetes-related and cardiovascular hospital admissions by SES: numbers, proportion and age–sex adjusted OR (using least deprived quintile Q1 as reference group)

Type of hospital admissionQuintile of SESTest for trend (unadjusted)
1 (Least deprived)2345 (Most deprived)
N693645515017756811853
Diabetic kidney diseaseN (%)142 (2.0%)94 (2.1%)107 (2.1%)178 (2.4%)286 (2.4%)p=0.049
OR (95% CI)1.001.06 (0.81 to 1.38)1.10 (0.85 to 1.42)1.22 (0.97 to 1.52)1.29 (1.05 to 1.59)
Diabetic ketoacidosisN (%)206 (3.0%)143 (3.1%)188 (3.7%)239 (3.2%)411 (3.5%)p=0.11
OR (95% CI)1.000.92 (0.74 to 1.16)1.20 (0.97 to 1.48)1.07 (0.87 to 1.30)1.15 (0.97 to 1.38)
HypoglycaemiaN (%)95 (1.4%)55 (1.2%)84 (1.7%)116 (1.5%)212 (1.8%)p=0.008
OR (95% CI)1.000.84 (0.60 to 1.17)1.18 (0.88 to 1.59)1.10 (0.84 to 1.45)1.26 (0.99 to 1.61)
Ischaemic heart diseaseN (%)1180 (17.0%)771 (16.9%)935 (18.6%)1502 (19.8%)2588 (21.8%)p<0.0001
OR (95% CI)1.001.08 (0.98 to 1.20)1.22 (1.11 to 1.35)1.31 (1.20 to 1.42)1.57 (1.45 to 1.70)
StrokeN (%)355 (5.1%)240 (5.3%)274 (5.5%)490 (6.5%)804 (6.8%)p<0.0001
OR (95% CI)1.001.12 (0.94 to 1.32)1.15 (0.98 to 1.36)1.36 (1.18 to 1.57)1.52 (1.33 to 1.73)
Peripheral arterial diseaseN (%)146 (2.1%)132 (2.9%)170 (3.4%)255 (3.4%)486 (4.1%)p<0.0001
OR (95% CI)1.001.50 (1.18 to 1.91)1.76 (1.41 to 2.21)1.74 (1.41 to 2.14)2.25 (1.86 to 2.72)
  • International Classification of Disease (ICD) codes were used to identify disease groups as follows: diabetic kidney disease (ICD-9: 585, 586, 587, 581.8, 583.8; ICD-10: N04, N06, N08, N15, N16, N18), diabetic ketoacidosis (ICD-9: 250.1; ICD-10: E10.1, E11.1, E14.1), hypoglycaemia (ICD-9: 250.8; ICD-10: E16.0, E16.2), ischaemic heart disease (ICD-9: 410–414; ICD-10: I24–25) stroke (ICD-9: 430–438; ICD-10: I60–69), peripheral arterial disease (ICD-9: 443; ICD-10: I73).

  • SES, socioeconomic status.