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Table 2 Risks of hospitalized IS/SE and major bleeding among AF patients in different HbA1c categories

From: Glycemic status and risks of thromboembolism and major bleeding in patients with atrial fibrillation

 

Event rate/100 person-years (95% CI)

Crude

Adjusted

HR (95% CI)

P value

HR (95% CI)a

P value

IS/SE

 HbA1c < 5.4

1.20 (1.04–1.36)

1.00 (Reference)

–

1.00 (Reference)

–

 HbA1c 5.4–5.6

1.33 (1.20–1.47)

1.06 (0.9–1.26)

0.4926

1.08 (0.92–1.28)

0.3508

 HbA1c 5.7–5.9

1.41 (1.29–1.54)

1.1 (0.93–1.29)

0.2576

1.12 (0.96–1.32)

0.1571

 HbA1c 6.0–6.4

1.31 (1.20–1.42)

1.02 (0.87–1.2)

0.7701

1.04 (0.88–1.22)

0.6659

 HbA1c 6.5–6.9

1.47 (1.31–1.63)

1.21 (1.01–1.43)

0.0341

1.2 (1–1.43)

0.0450

 HbA1c 7.0–7.9

1.55 (1.40–1.71)

1.32 (1.12–1.56)

0.0011

1.32 (1.11–1.57)

0.0019

 HbA1c ≥ 8.0

1.53 (1.39–1.67)

1.39 (1.18–1.63)

< 0.0001

1.48 (1.25–1.76)

< 0.0001

 

Event rate/100 person-years (95% CI)

Crude

Adjusted

HR (95% CI)b

P value

HR (95% CI)

P value

Major bleeding

 HbA1c < 5.4

0.84 (0.71–0.97)

1.00 (Reference)

–

1.00 (Reference)

–

 HbA1c 5.4–5.6

0.76 (0.65–0.86)

0.86 (0.7–1.06)

0.1554

0.9 (0.73–1.11)

0.3136

 HbA1c 5.7–5.9

0.75 (0.66–0.84)

0.84 (0.69–1.02)

0.0770

0.88 (0.72–1.08)

0.2178

 HbA1c 6.0–6.4

0.78 (0.69–0.87)

0.88 (0.72–1.06)

0.1770

0.89 (0.73–1.08)

0.2353

 HbA1c 6.5–6.9

0.85 (0.73–0.97)

1 (0.81–1.24)

0.9942

0.94 (0.76–1.17)

0.5790

 HbA1c 7.0–7.9

0.83 (0.72–0.95)

1.02 (0.83–1.26)

0.8314

0.93 (0.75–1.16)

0.5121

 HbA1c ≥ 8.0

0.78 (0.68–0.87)

1.01 (0.83–1.24)

0.9151

0.92 (0.74–1.15)

0.4700

  1. aAdjustments for CHA2DS2-VASc score, use of insulin or OHAs, use of warfarin or DOACs, and eGFR
  2. bAdjustments for HAS-BLED score, use of insulin or OHAs, use of warfarin or DOACs, and eGFR
  3. AF atrial fibrillation, CI confidence interval, DOACs direct oral anticoagulants, eGFR estimated glomerular filtration rate, HbA1c glycated hemoglobin A1c, HR hazard ratio, IS/SE ischemic stroke or systemic embolism, OHAs oral hypoglycemic agents