{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"24988"}]}],"title":"Negative"},{"categories":[{"measurements":[{"groupId":"OG000","value":"764"}]}],"title":"Positive"},{"categories":[{"measurements":[{"groupId":"OG000","value":"296"}]}],"title":"Inadequate screen"}],"denoms":[{"counts":[{"groupId":"OG000","value":"26048"}],"units":"Participants"}],"description":"Transvaginal Ultrasound (TVU) result.","groups":[{"description":"Participants undergo blood sample collection for CA-125 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 T2 were analyzed.","reportingStatus":"POSTED","timeFrame":"T2 (one year after entry)","title":"T2 TVU Screening Results","type":"SECONDARY","unitOfMeasure":"Participants"}