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. 2019 Mar 25;8(3):409. doi: 10.3390/jcm8030409

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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The 5-year overall survival curves analyzed by different categorization in HF patients. (A) HIIT participants (—) had a significantly (p = 0.044) increased 8-month (gray zone) survival rate compared to MDP participants (---). (B) HF patients with VO_2peak ≥14 mL/kg/min (—) had significantly better (p <0.001) 5-year survivals than those with VO_2peak <14 mL/kg/min (---). (C) HF patients with LVESD <44 mm (---) had significantly better (p = 0.017) 5-year survivals than those with LVESD ≥44 mm (—). (D) HF patients with both VO_2peak ≥14 mL/kg/min and LVESD <44 mm (—) had significantly better (p <0.001) 5-year survivals than those with VO_2peak ≥14 mL/kg/min or LVESD <44 mm (---), and those with both VO_2peak <14 mL/kg/min and LVESD ≥44 mm (⋯⋯).