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. 2021 Mar 25;21:144. doi: 10.1186/s12887-021-02614-2

Table 5.

Laboratory and radiological characteristics of the COVID-19 groups

Studied variables COVID-19 groups Test f sig. P value
Group I
N = 295
Group II
N = 103
Hb (11–13 g/dL)
 Mean ± SD 11.38 ± 1.86 10.46 ± 1.15 6.31 < 0.001**
 Median (Range) 11.5 (4.5–14) 10.5 (8.2–12)
WBCs (5.5–15.5 × 103 / μL)
 Mean ± SD 10.91 ± 4.952 7.22 ± 5.013 3.1 0.002*
 Median (Range) 4 (2.400–11.00) 4.300 (3.200–7.700)
ANC (1.5–7.5 × 103/μL)
 Mean ± SD 4.51 ± 1.24 4.03 ± 2.64 4.06 < 0.001**
 Median (Range) 2.20 (1.0–6.30) 2.50 (2.00–4.20)
Lymphocytes (1.5–8.5 × 103/μL)
 Mean ± SD 2.51 ± 1.21 1.140 ± 0.51 2.13 0.03*
 Median (Range) 0.90 (0.10–3.40) 1 (0.50–2.40)
Platelets (150–450 × 103/μL)
 Mean ± SD 210.46 ± 76.55 179.28 ± 67.37 5.13 < 0.001**
 Median (Range) 212 (10–344) 191 (34–313)
CRP (0–5.00 mg/L)
 Mean ± SD 76.58 ± 56.88 78.44 ± 43.53 2.15 0.03*
 Median (Range) 77 (0–270) 98 (0–148)
ESR (0–10 mm/hr.)
 Mean ± SD 32.52 ± 13.08 27.82 ± 13.11 3.15 0.002*
 Median (Range) 35 (15–55) 25 (15–50)
Ferritin (7–140 ng/ml)
 Mean ± SD 453.99 ± 405.27 438.41 ± 218.50 3.72 < 0.001**
 Median (Range) 300 (95–4000) 480 (90–700)
D-dimer (<  0.5 μg/ml)
 Mean ± SD 0.881 ± 0.591 1.196 ± 0.849 2.09 0.04*
 Median (Range) 1.4 (1.7–3.3) 1 (1.7–5)
CT finding: N (%)
 Null 235 (79.7%) 16 (15.5%)
 Ground-glass opacities 36 (12.2%) 70 (68.0%) 144.1 < 0.001**
 Crazy paving pattern 24 (8.1%) 17 (16.5%)