NCT01696994 · OUTCOME

T1 TVU Screening Results

Screening for Ovarian Cancer in Older Patients (PLCO Screening Trial) · Source last updated 2026-07-24

Results reported by the registry submitting party. Population, time horizon, units and missing values must be read together.

Measure: NUMBER
Unit: Participants
Interval / dispersion: Not reported
Time frame: T1 (one year after entry)

What was measured

Transvaginal Ultrasound (TVU) result.

Analysis population: Females in the Ovarian Screening arm (excluding females with no ovaries at baseline) who had a TVU screen at T1 were analyzed.

Groups in this outcome

Ovarian Screening

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.

Group identifiers and denominators belong to this outcome only. They may differ in another outcome or in safety reporting.

Analysis denominator · Participants

Group	Source count
Ovarian Screening	27046

Reported measurements

Negative

Values in Participants · Interval/dispersion: Not reported
Group	Value	Spread	Lower	Upper	Comment
Ovarian Screening	25740	Not reported	Not reported	Not reported	Not reported

Positive

Values in Participants · Interval/dispersion: Not reported
Group	Value	Spread	Lower	Upper	Comment
Ovarian Screening	930	Not reported	Not reported	Not reported	Not reported

Inadequate screen

Values in Participants · Interval/dispersion: Not reported
Group	Value	Spread	Lower	Upper	Comment
Ovarian Screening	376	Not reported	Not reported	Not reported	Not reported

Complete source fields

classes

categories
measurements
group Id
OG000
value
25740
title
Negative
categories
measurements
group Id
OG000
value
930
title
Positive
categories
measurements
group Id
OG000
value
376
title
Inadequate screen

denoms

counts
group Id
OG000
value
27046
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

param Type

NUMBER

population Description

Females in the Ovarian Screening arm (excluding females with no ovaries at baseline) who had a TVU screen at T1 were analyzed.

reporting Status

POSTED

time Frame

T1 (one year after entry)

title

T1 TVU Screening Results

type

SECONDARY

unit Of Measure

Participants

Download exact source JSON → · Snapshot ctgov-results-25a395029948b04d52b1253f

Preserved source evidence · Not medical advice