<prompt> All of the following are the high risk factors for DVT except:General urological surgery in patient 40 yearsExtensive pelvic or abdominal surgeryMajor ohopaedic surgery of lower limbsSurgery lasting for 30 minutes  <response>: Risk of DVT in Relation to age and duration of surgery High risk Moderate risk Low risk General urological in patients 40 years Extensive pelvic or abdominal surgery Major ohopaedic surgery of lower limbs General surgery in patients 40 years Surgery lasting for 30 minutes General surgery in patients 40 years on OCPs Uncomplicated surgery in patients 40 years without additional risk Minor surgery 30 minutes in patients 40 years additional risk 