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Table 5 Relation between chest CT severity score and laboratory data of the studied cases

From: Correlation between chest CT severity scoring system with oxygen saturation and laboratory inflammatory markers in adult patients with COVID-19 infection

  Grouping of chest CT severity score N Median range Mean S.D Test P
Blood oxygen saturation level Mild to moderate 273 96
88–99
95.6 2.85 19.8* < 0.001
HS
Severe 32 86
83–87
85.4 1.7
Absolute lymphocytic count Mild to moderate 273 1.5
0.51–2.9
1.53 0.56 4.11# < 0.001
HS
Severe 32 1.12
1.1–1.3
1.18 0.09
D-dimer Mild to moderate 273 0.32
0.15–1.57
0.38 0.29 8.79# < 0.001
HS
Severe 32 1.21
0.69–1.79
1.23 0.46
CRP Mild to moderate 273 12.6
3–110
24.7 28.3 6.57# < 0.001
HS
Severe 32 87
16–132
80.3 47.9
Ferritin Mild to moderate 273 490
98–1463
551.01 341.5 4.69# < 0.001
HS
Severe 32 687
558–1502
926.8 426.2
  1. This table shows that blood oxygen saturation level and absolute lymphocytic count was statistically significantly higher among cases with mild to moderate CT severity index, while D-dimer, CRP and ferritin level was statistically significantly higher among cases with severe chest CT severity score
  2. HS: P value < 0.001 is high significant
  3. *t-test of significance
  4. #Mann–whitney test for non-parametric data