Table 2. Comparison of subjects with acute and subacute DVT.

	Acute DVT (n = 20) n (%)	Subacute DVT (n = 15) n (%)	p-value
Age, years	56 ± 14	70 ± 11	0.003
Gender, male	11 (55)	9 (60)	0.767
Dyslipidaemia	4 (20)	2 (13)	0.605
Diabetes	3 (15)	5 (33)	0.201
Coronary artery disease	2 (10)	2 (13)	0.759
Smoking	8 (40)	5 (33)	0.686
Aetiology
Major surgery	3 (15)	0 (0)
Obstetric conditions	3 (15)	1 (7)	0.254
Prolonged immobilisation	3 (15)	5 (33)
Unprovoked	11 (55)	9 (60)
Baseline fibrinogen (mg/dl)	472 ± 114	425 ± 99	0.214
Fibrinogen at 3rd month (mg/dl)	355 ± 85	304 ± 83	0.088
Baseline D-dimer (ìg/ml)	3.4 ± 1.2	4.2 ± 2.4	0.287
D-dimer at 3rd month (ìg/ml)	1.1 ± 0.6	1.8 ± 1.1	0.232
Complete recanalization	19 (95)	4 (27)
Partial recanalization	1 (5)	9 (60)	< 0.001
Poor recanalization	0	2 (13)
Minor complications	1 (5)	4 (27)	0.070
Patency at 3rd month	20 (100)	15 (100)	> 0.999

Data are presented as mean ± standard deviation for continuous variables and frequency (%) for categorical variables.