Parameters  The first time clinical classifications (n, %)  Total
Mild/ordinary cases  Severe cases  Critical cases
DD1 (M ± SD)  0.85 ± 1.68  1.78 ± 4.40  3.86 ± 7.93  1.97 ± 5.01
 <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
 χ2, P   χ 2 = 9.505   P < 0.05
 r, P   r = 0.268   P < 0.01
PT1 (M ± SD)  12.34 ± 1.91  12.14 ± 1.16  13.70 ± 3.38  12.59 ± 2.21
 <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
 χ2, P   χ 2 = 7.013   P < 0.05
 r, P   r = 0.162   P > 0.05
APTT1 (M ± SD)  3.49 ± 9.17  36.47 ± 9.29  36.98 ± 8.60  35.59 ± 9.13
 <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
 χ2, P   χ 2 = 5.545   P > 0.05
 r, P   r = 0.171   P > 0.05
Fg1 (M ± SD)  4.38 ± 1.15  4.93 ± 1.26  4.40 ± 2.07  4.61 ± 1.48
 <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
 χ2, P   χ 2 = 18.661   P < 0.01
 r, P   r = 0.006   P > 0.05
TT1 (M ± SD)
 <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
 χ2, P   χ 2 = 4.503   P > 0.05
 r, P   r = 0.175   P > 0.05