{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"26624"}]}],"title":"Negative"},{"categories":[{"measurements":[{"groupId":"OG000","value":"1309"}]}],"title":"Positive"},{"categories":[{"measurements":[{"groupId":"OG000","value":"544"}]}],"title":"Inadequate screen"}],"denoms":[{"counts":[{"groupId":"OG000","value":"28477"}],"units":"Participants"}],"description":"Transvaginal Ultrasound (TVU) result.","groups":[{"description":"Participants undergo blood sample collection for CA125 analysis at baseline annually for 5 years. Participants also undergo an OVR (discontinued in December 1998) and TVU at baseline and annually for 3 years.","id":"OG000","title":"Ovarian Screening"}],"paramType":"NUMBER","populationDescription":"Females in the Ovarian Screening arm (excluding females with no ovaries at baseline) who had a TVU screen at T0 were analyzed.","reportingStatus":"POSTED","timeFrame":"T0 (at study entry)","title":"T0 (Baseline) TVU Screening Results","type":"SECONDARY","unitOfMeasure":"Participants"}