Research Article

Sex Differences in the Effect of Type 2 Diabetes on Major Cardiovascular Diseases: Results from a Population-Based Study in Italy

Table 2

N of events, person-years, and age-adjusted event rates (AAER) per 10,000 person-years and incidence rate ratios (IRR) with 95% confidence intervals (95% CI) by sex and type of event.

EventsMenWomen
Without T2DWith T2DWithout T2DWith T2D
N of events
(fatal)
Person-yearsAAERN of events
(fatal)
Person-yearsAAERIRR
(95% CI)
N of events
(fatal)
Person-yearsAAERN of events
(fatal)
Person-yearsAAERIRR
(95% CI)

Stroke1454 (95)475,145.437.28517 (36)38,600.974.701.86 (1.68–2.06)1301 (115)506,105.030.10341 (22)30,187.261.731.81 (1.61–2.04)
Myocardial
infarction
1590 (217)474,943.039.04459 (60)38,716.278.021.78 (1.60–2.00)713 (128)506,799.316.13241 (37)30,328.747.582.58 (2.22–3.00)
Heart failure816 (14)475,993.821.47481 (10)38,702.463.712.78 (2.48–3.12)718 (17)506,803.817.10306 (10)30,262.948.832.59 (2.27–2.97)

Age-adjusted event rates were calculated using Italian population at December 31st, 2011, stratified by sex.
IRR = calculated using Poisson model, adjusted for age and foreign status. People without type 2 diabetes were used as reference.