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Table 6 Concomitant diseases in different severity of COVID-19 cases

From: Clinical characteristics of coronavirus disease 2019 (COVID-19) in patients out of Wuhan from China: a case control study

Numbers of Concomitant Diseases 0 1 2 3
Mild COVID-19 (n = 9) 5 (55.56%) 3 (33.33%) 1 (11.11%) 0
Severe COVID-19 (n = 4) 0 0 2 (50%) 2 (50%)
  1. Numbers of concomitant diseases and severity of COVID-19 infection # x2 = 11.0963, P < 0.05