Table 2.

Multivariable logistic regression analysis.

	OR	95%CI	p value
D‐dimer (maximum); µg.ml‐1	2.80	1.45–5.38	0.002
Mechanical ventilation (refer: no)	0.80	0.18–3.52	0.77
Neuromuscular blocking drugs; (refer: no)	1.15	0.28–4.76	0.84
Extracorporeal membrane oxygenation; (refer: no)	1.91	0.28–12.90	0.51
Thromboprophylaxis strategy
Standard prophylactic dose (refer)	–
High‐intensity prophylaxis dose	0.20	0.06–0.69	0.01
Therapeutic anticoagulation	0.40	0.08–1.86	0.24