Table 3

Relative odds of incident ischaemic heart disease by fifths of insulin distribution in non-diabetic men in the Caerphilly cohort (n = 1896)

Insulin range (mU/l)Men (n)Events (n)Relative odds
Age adjusted only (95%CI)Multivariate3-150
⩽ 3.0403321.001.00
3.1–4.6368391.45 (0.88, 2.37)1.34 (0.81, 2.23)
4.7–6.5369451.68 (1.04, 2.71)1.49 (0.90, 2.45)
6.6–10.0390531.95 (1.22, 3.11)1.47 (0.90, 2.42)
10.1–366522.05 (1.28, 3.27)1.27 (0.75, 2.17)
Total1896221
Heterogeneity testχ2 = 11.9,χ2 = 3.29,
4 df, p = 0.01     4 df, p = 0.51
Trend testχ2  = 10.8,χ2 = 0.79,
1 df, p = 0.0011 df, p = 0.37
  • 3-150 Included in multivariate model are: age, pre-existing IHD, smoking habit, diastolic blood pressure, total and HDL cholesterol, log triglyceride, and glucose.