Table 4.

Comparison of coagulation indicators between patients with mild and severe patients with COVID-19 infection.

	Normal range	Patients with mild disease (n = 30)	Patients with severe disease (n = 30)	p-value	F
PT (s)	10.5–13.5	12.05 ± 0.63	13.3 ± 1.36	<0.001	59.902
PT (%)	75–125	74.23 ± 9.19	95.59 ± 12.08	<0.001	4.433
APTT (s)	21–37	26.96 ± 3.57	27.82 ± 3.72	0.228	0.141
TT (s)	13–21	16.62 ± 3.7	16.6 ± 3.24	0.967	1.793
INR	0.8–1.2	1 ± 0.12	1.02 ± 0.14	0.603	4.048
Fibrinogen (g/L)	2–4	3.35 ± 0.75	2.60 ± 0.59	<0.001	5.788
AT-3 (%)	75–125	88.14 ± 4.29	73.73 ± 5.77	<0.001	6.226
D-dimer (mg/L)	0–1.5	2.43 ± 0.65	5.54 ± 2.36	<0.001	99.096
FDP (μg/ml)	0–5	2.37 ± 0.66	70.15 ± 30.47	<0.001	117.06