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. 2021 Mar 16;106:128–133. doi: 10.1016/j.ijid.2021.03.044

Table 1B.

Laboratory features – baseline and at presentation to the emergency department

Parameters at baseline COVID group (N = 50 episodes) (50 patients)
Non-COVID group (N = 67 episodes) (50 patients)
Basal AE visit $$ P value Basal AE visit $$ P value
Haemoglobin, g/dl, Mean ± SD 9.2 ± 1.05 7.4 ± 1.8 P<0.001$$ 9.8 ± 1.2 7.9 ± 1.5 <0.001$$
White Blood Cells, X109/L, Mean ± SD 9.8 ± 3.8 9.8 ± 1.4 P=0.67$$ 11.3 ± 2.3 12.8 ± 1.6 0.01$$
Lymphocytes, X109/L, Mean ± SD 3.1 ± 1.4 2.4 ± 1.2 P=0.03$$ 3.6 ± 1.7 3.13 ± 1.9 0.05$$
Platelets, X109/L, Mean ± SD 350 ± 34 212 ± 23 P<0.001$$ 333 ± 89 278 ± 56 0.009$$
Reticulocytes,%, Mean ± SD 7.5 ± 1.2 5.0 ± 1.3 P=0.004$$ 6.3 ± 1.3 8.76 ± 1.2 0.006$$
Lactate Dehydrogenase, u/L Mean ± SD 420 ± 32 1030 ± 42 P=0.01$$ 415 ± 57 1009 ± 332 0.01$$
Ferritin, ng/ml, Mean ± SD 747 ± 189 1829 ± 78 P=0.006$$ 2659 ± 215 16191 ± 157 0.16$$

Key: ##Unpaired Students “t” test (COVID group vs non-COVID group); $$paired Students “t” test (in COVID group and non-COVID group).