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Table 2 The common presenting symptoms, number of cases in each blood group, and significance of severity

From: Correlation between CT chest severity score (CT-SS) and ABO blood group system in Egyptian patients with COVID-19

  Blood group A Blood group B Blood group AB Blood group O p value
Dry cough 132 72 22 150 0.075*
Fever 143 122 24 139 0.473
Dyspnea 99 67 7 42 0.062*
Chest pain 126 86 17 68 0.091*
Anosmia 83 85 15 165 0.124
Fatigue 149 121 19 194 0.352
Abdominal pain and diarrhea 44 32 5 74 0.275
  1. *p value < 0.1: significant