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. 2021 Feb 17;19(2):e3001109. doi: 10.1371/journal.pbio.3001109

Table 1. Clinical characteristics of hospitalised control patients without COVID-19 on admission and nonsevere and severe patients with confirmed COVID-19 on admission.

Reference ranges of PT, aPTT, Fibrinogen, and D-Dimer are shown in parentheses. Results are presented as mean ± SD.

Hospitalised Controls (n = 20) Nonsevere COVID-19 (n = 20) Severe COVID-19 (n = 34) p-value
Age (years) 64.2 ± 17.9 69.25 ± 17.7 59.4 ± 10.5 0.066
Male, n (%) 10 (50%) 13 (65%) 21 (62%) 0.682
PCT (%) 0.262 ± 0.11 0.246 ± 0.10 N/A 0.626
P-LCR (%) 25.40 ± 9.34 23.43 ± 7.57 N/A 0.47
PT (s) (10.4–13.0) 13.56 ± 6.92 13.26 ± 2.02 13.87 ± 5.47 0.886
aPTT (s) (25.0–36.5) 28.84 ± 14.17 29.22 ± 1.99 33.08 ± 8.35 0.272
Fibrinogen (g/L) (1.5–4.0) 5.46 ± 1.72 4.65 ± 1.64 5.58 ± 1.74 0.544
D-Dimer (mg/L) (0.0–0.5) 2.53 ± 1.62 1.01 ± 0.75 4.95 ± 6.36 0.027

aPTT, activated partial thromboplastin time; COVID-19, Coronavirus Disease 2019; PCT, plateletcrit; PLCR, platelet-large cell ratio; PT, prothrombin time.