Table 2

Crude and aIRRs for OSA in patients with type 2 diabetes compared with those without type 2 diabetes

Primary cohortIncident cohort
ExposedUnexposedExposedUnexposed
Outcome events, n (%)3,110 (0.88)5,968 (0.46)1,238 (0.82)2,698 (0.48)
Person-years1,763,9825,963,919646,3562,245,189
Crude IR per 1,000 person-years1.761.001.921.20
Follow-up years, median (IQR)4.40 (2.06–7.60)3.94 (1.80–7.07)3.77 (1.84–6.39)3.43 (1.62–5.94)
IRR (95% CI)
 Unadjusted 1.76 (1.69–1.84); P < 0.0011.59 (1.47–1.72); P < 0.001
 Partially adjusted*1.48 (1.42–1.55); P < 0.0011.41 (1.32–1.51); P < 0.001
 Fully adjusted1.36 (1.30–1.42); P < 0.0011.31 (1.22–1.40); P < 0.001
  • *Adjusted for age category, sex, BMI category, Townsend deprivation quintile, smoking status, and ethnicity.

  • †Adjusted for age category, sex, BMI category, Townsend deprivation quintile, smoking status, ethnicity, and baseline cardiovascular conditions (heart failure, ischemic heart disease, stroke/TIA, atrial fibrillation, and hypertension).