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. 2023 Jun 15;14(8):1005–1008. doi: 10.1111/jdi.14020

Table 2.

Coagulation‐related laboratory results

Unit Normal range
D‐dimer

0.5 (day 0)

2.5 (day 15)

0.6 (day 32)

μg/mL 0–0.90
Fibrin/fibrinogen degradation products (FDP)

≦2.5 (day 0)

5.9 (day 15)

≦2.5 (day 32)

μg/mL 0–4.90
Protein C activity

46 (day 16)

49 (day 33)

% 64–135
Protein C antigen 41 (day 33) % 70–150
von Willebrand factor antigen

≧201 (day 16)

≧201 (day 33)

% 50–150
von Willebrand factor activity

196 (day 16)

163 (day 33)

% 50–150
Protein S antigen 89 % 74–132
PT 83.3 % 70.10≦
PT‐INR 1.08 INR ≦1.15
APTT 34.4 s 29.6–40.8
Thrombin‐antithrombin III complex 3.9 ng/mL ≦3.0
Prothrombin fragment F1 + 2 194 pmol/L 69–229
Antithrombin III 109 % 80–130
Factor II activity 107 % 74–146
Factor X activity 91 % 71–128
Factor XIII antigen 102 % 70–999
Plasminogen 88 % 80–130
Antinuclear antibody ≦1:40 Titer 0–1:79
Anti‐cardiolipin antibody 1 U/mL 0–9.9
Anti‐cardiolipin β2‐glycoprotein I complex antibody ≦1.3 U/mL 0–3.40
Lupus anticoagulant 1 s 0–1.30