Table 3.

Anticoagulation effects with UH

Observe time	Oxygenation index	D-dimer (μg/ml)	FG (g/L)	V/Q (segments)	CTPA (segments)
Before therapy	281.45±118.30	10.06±9.75	5.40±1.42	3.90±1.25	2.80±1.26
14 d after therapy	424.10±52.60	3.51±2.12	2.48±1.60	1.10±0.63	0.85±0.52
P	<0.01	<0.05	<0.05	<0.01	<0.01