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.
Parameters
The first time clinical classifications (, %)
Total
Mild/ordinary cases
Severe cases
Critical cases
DD1 ()
<0.55
28 (24.3%)
26 (22.6%)
11 (9.6%)
65 (56.5%)
0.55-1.10
4 (3.4%)
8 (6.9%)
3 (2.6%)
15 (13.0%)
>1.10
7 (6.0%)
14 (12.2%)
14 (12.2%)
35 (30.5%)
Total
39 (33.9%)
48 (41.7%)
28 (24.3%)
115
,
,
PT1 ()
<9.2
0 (0%)
0 (0%)
0 (0%)
0 (0%)
9.20-15.0
37 (32.1%)
47 (40.9%)
23 (20.0%)
107 (93.0%)
>15
2 (1.7%)
1 (0.8%)
5 (4.3%)
8 (7.0%)
Total
39 (33.9%)
48 (41.7%)
28 (24.3%)
115
,
,
APTT1 ()
<21.00
1 (0.8%)
0 (0%)
1 (0.8%)
2 (1.7%)
21.00-37.00
27 (23.5%)
26 (22.6%)
13 (11.3%)
66 (57.4%)
>37.00
11 (9.6%)
22 (19.1%)
14 (12.2%)
47 (40.9%)
Total
39 (33.9%)
48 (41.7%)
28 (24.3%)
115
,
,
Fg1 ()
<2.00
1 (0.8%)
0 (0%)
6 (5.2%)
7 (6.1%)
2.00-4.00
16 (13.9%)
13 (11.3%)
5 (4.3%)
34 (29.6%)
>4.00
22 (19.1%)
35 (30.4%)
17 (14.8%)
74 (64.3%)
Total
39 (33.9%)
48 (41.7%)
28 (24.3%)
115
,
,
TT1 ()
<10
0 (0%)
1 (0.8%)
0 (0%)
1 (0.8%)
10-20
37 (32.2%)
47 (40.9%)
26 (22.7%)
110 (95.8%)
>20
2 (1.7%)
0 (0%)
2 (1.7%)
4 (3.4%)
Total
39 (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.