Table 1 Parameters of thrombodynamics in the COVID-19 patients.

From: Altered platelet and coagulation function in moderate-to-severe COVID-19

Comparison groups and subgroups

Parameters of thrombodynamics

Stationary rate of clot growth, μm/min

Lag time, min

Initial rate of clot growth, μm/min

Clot size, μm

Clot density, a.u

(a) Patients with COVID-19 and healthy donors

Patients with COVID-19 (n = 200)

25 (18; 32)

1.3 (1.1; 1.6)***

54 (50; 60)

1103 (901; 1253)

29,100 (24,900; 32,800)**

Healthy subjects (n = 20)

28 (26; 30)

0.9(0.8; 1.0)

51 (50; 55)

1122 (1057; 1175)

25,800 (21,000; 28,300)

(b) Dependence on the outcome of the disease

Favorable (n = 184)

25.3 (18.2; 32.1)*

1.3 (1.1; 1.5)

54.7 (49.9; 59.8)*

1108 (917; 1279)**

29,000 (24,800; 31,600)*

Fatal (n = 16)

20.1 (15.4; 25.2)

1.3 (1.1; 1.7)

50.2 (45.1; 53.2)

910 (871; 1055)

32,100 (28,300; 34,800)

(c) Dependence on the severity of the disease

Moderate severity (n = 149)

25.5 (18.0; 32.2)

1.3 (1.1; 1.5)

54.9 (49.9; 59.7)

1130 (909; 1288)**

29,000 (25,200; 31,500)

Severe (n = 51)

25.5 (18.0; 32.2)

1.3 (1.2; 1.6)

52.2 (49.2; 57.8)

985 (881; 1118)

29,500 (24,100; 32,800)

(d) Dependence on the presence of concomitant hematologic neoplasms

Neoplasms (n = 8)

32.3* (24.9; 35.8)

1.1 (0.9; 1.3)

66.4 (55.8; 68.4)**

1364 (1109; 1449)**

26,100 (24,400; 29,400)

No neoplasms (n = 207)

24.9 (17.0; 31.4)

1.3 (1.1; 1.6)

53.9 (49.3; 59.6)

1098 (894; 1238)

29,100 (25,000; 31,900)

(e) Dependence on the level of C-reactive protein in blood serum

 < 10 mg/l (n = 23)

32.1 (21.2; 36.5)*

1.1 (1.0; 1.2)**

61.3 (50.9; 66.5)**

1276 (930; 1408)*

27,000 (23,300; 29,700)**

 > 10 mg/l (n = 114)

23.9 (17.6; 28.7)

1.3 (1.1; 1.5)

54.0 (49.8; 58.9)

1082 (917; 1183)

30,400 (26,400; 32,600)

  1. Results are presented as median and interquartile range (25th and 75th percentiles).
  2. *p < 0.05, **p < 0.01, ***p < 0.001; Mann–Whitney U-test.