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Table 3 Comparison of laboratory parameters in studied groups

From: Clinical characteristics and risk factors for mortality in COVID-19 inpatients in Birjand, Iran: a single-center retrospective study

Laboratory parameters n  =  360 p value
Discharged patients (n  =  298) Death group (n  =  62)
SaO2 (%) 93.08  ±  9.26 87.12  ±  9.09 < 0.001
Hemoglobin (g/L) 129.36  ±  19.36 122.39  ±  20.33 0.025
WBC(×  109/L) 5.77  ±  2.37 9.44  ±  6.13 < 0.001
Lymphocytes (×  109/L) 1.15  ±  0.69 0.59  ±  0.29 < 0.001
Platelet count (×  109/L) 198  ±  66.22 163.21  ±  84.97 0.001
C-reactive protein (mg/L) 98.79  ±  43.88 19.39  ±  17.36 < 0.001
Serum albumin (g/L) 39.47  ±  18.36 32.45  ±  4.71 0.002
ALP (U/L) 60.26  ±  19.44 82.91  ±  49.97 < 0.001
AST (U/L) 27.74  ±  17.07 55.19  ±  39.96 0.001
ALT (U/L) 26.48  ±  24.64 38.73  ±  34.04 < 0.001
Urea (mmol/L) 4.68  ±  2.06 8.93  ±  4.37 < 0.001
Creatinine (g/L) 65.84  ±  19.72 129.56  ±  29.96 0.007
LDH (U/L) 247.33  ±  87.00 486.21  ±  129.05 < 0.001
Serum sodium (mmol/L) 129.96  ±  14.25 137.88  ±  14.17 0.179
Serum potassium (mmol/L 3.71  ±  0.36 3.85  ±  1.06 0.112
  1. WBC white blood cell; AST alanine aminotransferase; ALB serum albumin; ALP alkaline phosphatase; ALT alanine aminotransferase; LDH lactate dehydrogenase