Table 2

Descriptive statistics, incidence density rate, and crude HRs for the association between diabetes, HbA1c, and ICH

No. of patientsNo. of eventsFollow-up duration (person-years)Incidence rate (per 100,000 person-years)Crude HR (95% CI)
No diabetes1,167,5852,5568,684,97629.4Reference
Diabetes297,4861,6142,045,93978.92.69 (2.53–2.87)
Diabetes duration*
 ≤5 years129,192554932,18059.42.02 (1.85–2.20)
 >5 years168,2941,0601,113,75895.23.26 (3.03–3.50)
HbA1c deciles*
  ≤6.0% (≤42 mmol/mol)37,563201246,74081.52.79 (2.41–3.22)
  6.0–6.3% (42–45 mmol/mol)32,555157225,20969.72.38 (2.02–2.80)
  6.3–6.5% (45–48 mmol/mol)30,121134210,95263.52.17 (1.82–2.58)
  6.5–6.7% (48–50 mmol/mol)29,955124209,70059.12.02 (1.68–2.41)
  6.7–6.9% (50–52 mmol/mol)25,366131177,44073.82.52 (2.11–3.0)
  6.9–7.2% (52–55 mmol/mol)29,364143203,63170.23.40 (2.02–2.84)
  7.2–7.6% (55–60 mmol/mol)28,709152197,94376.82.62 (2.23–3.09)
 7.6–8.1% (60–65 mmol/mol)24,373156167,44093.23.18 (2.71–3.74)
 8.1–9.3% (65–78 mmol/mol)31,399201213,88094.03.21 (2.78–3.71)
 >9.3% (>78 mmol/mol)28,081215193,003111.43.80 (3.31–4.37)
  • *No diabetes is the reference.