Efficacy of percutaneous mechanical thrombus removal in acute lower extremity deep venous thrombosis

Table 1 Comparison of general information of the two groups of patients, n (%)

Item	PMT group (n = 24)	CDT group (n = 32)	P value
Sex
Male	8 (33.33)	13 (40.63)	0.616
Female	16 (66.67)	19 (59.37)
Age (years)	63.19 ± 14.04	62.80 ± 12.98	0.931
Time of onset (days)	7.15 ± 3.28	7.11 ± 3.39	0.961
Lower extremity DVT type
Central type	6 (25.00)	8 (25.00)	0.936
Mixed type	18 (75.00)	24 (75.00)
Distribution of affected limb
Left lower extremity	19 (79.17)	28 (87.50)	0.604
Right lower extremity	5 (20.83)	4 (12.50)
Risk factors
No obvious cause	8 (33.33)	10 (31.25)	0.857
History of surgical operations within 3 months	8 (33.33)	12 (37.50)	0.623
Stay in bed or sit for a long time	5 (20.83)	5 (15.63)	0.779
Malignant tumor	2 (8.33)	3 (9.37)	0.851
Hyperhomocysteinemia	2 (8.33)	1 (3.12)	0.524
Deep vein valve dysfunction	0 (0)	2 (6.25)	0.101
After delivery	2 (8.33)	0 (0)	0.057
Stent implantation	12 (50.00)	16 (50.00)	0.949
Iliac vein stenosis	15 (62.50)	22 (68.75)	0.686

PMT: Percutaneous mechanical thrombectomy; CDT: Catheter-directed thrombolysis; DVT: Deep venous thrombosis.