Table 4. Distribution of Preexisting Risk factors of patients before and after intervention program.

Preexisting Risk factor	Patients' Group				P. value
	Before intervention (N = 102)		After intervention (N=102)
	No.	%	No.	%
Age > 35	18	17.6	18	17.6	1.00
Parity ≥ 3	42	41.2	45	44.1	0.661
Obesity	38	37.3	35	34.3	0.671
Smoking	11	10.8	8	7.8	0.47
Previous VTE	2	2.0	3	2.9	0.651
Previous VTE provoked by major surgery	3	2.9	2	2.0	0.561
Known high risk thrombophilia	1	1.0	1	1.0	1.00
Comorbidities	11	10.8	14	13.7	0.522
Family history of VTE	2	2.0	1	1.0	0.561
Immobility/dehydration	0	0.0	1	1.0	0.316
Gross Varicose Veins	17	16.7	13	12.7	0.429