Table 4 DM patients with no VTE, malignancy, infection or other CTD.

From: Elevated plasma D-dimer levels in dermatomyositis patients with cutaneous manifestations

Ā 

DM patients without VTE, malignancy, infection or other CTD: n = 86

P-value

without cutaneous manifestations: n = 45

with cutaneous manifestations: n = 41

D-dimer (μg/mL)

0.50 (0.26, 1.07)

1.56 (0.93, 3.48)

<0.001

PLT (Ɨ104/μl)

22.4 (18.7, 29.8)

20.4 (16.8, 29.3)

0.242

PT (s)

11.0 (10.5, 11.6)

11.4 (10.6, 11.9)

0.092

APTT (s)

28.0 (26.1, 29.0)

28.5 (26.1, 31.2)

0.363

CPK (IU/L)

53 (36, 90)

65 (25, 305)

0.397

KL-6 (U/ml)

301 (232, 483)

351 (223, 749)

0.494

age (years)

58 (51, 63)

58 (46, 73)

0.727

CRP (mg/dl)

0.08 (0.02, 0.27)

0.09 (0.03, 020)

0.913

LDH (IU/l)

217 (201, 255)

261 (211, 371)

0.004

dose of steroid (prednisolone, mg)

9.0 (6.3, 17.5)

20.0 (0, 37.5)

0.231

vduration of steroid (years)

8.5 (1.7, 14)

0.08 (0, 5.3)

<0.001

total dose of steroid (prednisolone, mg)

24000 (10725, 55335)

1093 (0, 14625)

<0.001

  1. The data are presented as the median (Q1, Q3). DM, dermatomyositis; VTE, venous thromboembolism; CTD, connective tissue disease; PLT, Platelet; PT, prothrombin time; APTT, activated partial thromboplastin time; CPK, creatine phosphokinase; CRP, C-reactive protein; LDH, lactate dehydrogenase.
  2. Normal values: D-dimer, <1.00; PLT, 15.8–34.8; PT, 9.8–12.1; APTT, ≤37; CPK, 59–248; KL-6, 105–435; CRP, ≤0.14; LDH, 124–222.