In contrast, the second wave had more CCS class IV patients (17.5%) than the first (10.4%) and third waves (12.5%), but this did not reach statistical significance ( p = 0.177). 3.2.2.
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The Impact of the COVID-19 Pandemic on Coronary Artery Bypass Grafting Surgery: A Single-Centre Retrospective Cohort Study.
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0.1770