Research Article

D-Dimer and Prothrombin Time Are the Significant Indicators of Severe COVID-19 and Poor Prognosis

Table 2

The first detection of DD1, PT1, APTT1, Fg1, and clinical classification.

ParametersThe first time clinical classifications (, %)Total
Mild/ordinary casesSevere casesCritical cases

DD1 ()
 <0.5528 (24.3%)26 (22.6%)11 (9.6%)65 (56.5%)
 0.55-1.104 (3.4%)8 (6.9%)3 (2.6%)15 (13.0%)
 >1.107 (6.0%)14 (12.2%)14 (12.2%)35 (30.5%)
 Total39 (33.9%)48 (41.7%)28 (24.3%)115
,
,
PT1 ()
 <9.20 (0%)0 (0%)0 (0%)0 (0%)
 9.20-15.037 (32.1%)47 (40.9%)23 (20.0%)107 (93.0%)
 >152 (1.7%)1 (0.8%)5 (4.3%)8 (7.0%)
 Total39 (33.9%)48 (41.7%)28 (24.3%)115
,
,
APTT1 ()
 <21.001 (0.8%)0 (0%)1 (0.8%)2 (1.7%)
 21.00-37.0027 (23.5%)26 (22.6%)13 (11.3%)66 (57.4%)
 >37.0011 (9.6%)22 (19.1%)14 (12.2%)47 (40.9%)
 Total39 (33.9%)48 (41.7%)28 (24.3%)115
,
,
Fg1 ()
 <2.001 (0.8%)0 (0%)6 (5.2%)7 (6.1%)
 2.00-4.0016 (13.9%)13 (11.3%)5 (4.3%)34 (29.6%)
 >4.0022 (19.1%)35 (30.4%)17 (14.8%)74 (64.3%)
 Total39 (33.9%)48 (41.7%)28 (24.3%)115
,
,
TT1 ()
 <100 (0%)1 (0.8%)0 (0%)1 (0.8%)
 10-2037 (32.2%)47 (40.9%)26 (22.7%)110 (95.8%)
 >202 (1.7%)0 (0%)2 (1.7%)4 (3.4%)
 Total39 (33.9%)48 (41.7%)28 (24.4%)115
,
,

Normal reference values: DD (<0.55 mg/L); PT (9.20-15 sec); APTT (21.00-37.00 sec); TT (10-20 sec); Fg (2.00-4.00 g/L). value was calculated by a 2-sided test.