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Table 5 Subgroup analyses for 1-year cardiovascular mortality stratified by EF

From: Clinical characteristics and prognosis of heart failure with mid-range ejection fraction: insights from a multi-centre registry study in China

  HFmrEF vs HFrEF   HFmrEF vs HFpEF   p value for interaction
HR (95% CI) HR (95% CI)
Age<65 0.114 (0.015–0.881) 1.164 (0.069–19.545) 0.538
Age ≥ 65 0.320 (0.103–0.999) 1.962 (0.549–7.012)  
Male 0.328 (0.113–0.951) 4.952 (0.566–43.361) 0.352
Female 0.103 (0.102–0.846) 0.456 (0.052–3.971)  
  1. Abbreviations: HFrEF heart failure with reduced ejection fraction, HFmrEF heart failure with mid-range ejection fraction, HFpEF heart failure with preserved ejection fraction
  2. Adjusted for age, sex, non-solitary, abnormal jugular venous pressure, diabetes mellitus, tobacco use
  3. Statistically significant variables were highlighted in bold