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Table 1 Demographic and clinical characteristics at admission of COVID-19 patients included in the study (n = 351)

From: Prognostic biomarkers in COVID-19 infection: value of anemia, neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio, and D-dimer

  Non-ICU patients
(n = 206)
Admitted to ICU
(n = 145)
p value*
Age (years)
< 55, n (%) 135 (65.5%) 52 (35.9%) < 0.001^
≥ 55, n (%) 71 (34.5%) 93 (64.1%)
Mean ± SD 45.1 ± 17.1 57.4 ± 14.0 < 0.001^
Gender, n (%)
Male 98 (47.6%) 85 (58.6%) 0.041 ^
Female 108 (52.4%) 60 (41.4%)
Presenting symptoms, n (%)
Fever 138 (67%) 124 (85.5%) < 0.001 ^
Constitutional symptoms 57 (27.7%) 65 (44.8%) 0.001 ^
Cough 129 (62.6%) 117 (80.7%) < 0.001 ^
Dyspnea 70 (34%) 103 (71%) < 0.001 ^
GIT symptoms a 47 (22.8%) 21 (14.5%) 0.071
Presence of comorbidity, n (%) 94 (45.6%) 104 (71.7%) < 0.001 ^
  1. GIT gastrointestinal
  2. *Student’s t test and chi-square test were used
  3. ^Significant p value
  4. aNausea, vomiting, abdominal pain, and diarrhea