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NCT01696994 · OUTCOME

Complications of Diagnostic Evaluation (DE) Following a Positive Screening Test

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
Positive screens w/ complications
Interval / dispersion
Not reported
Time frame
One year from screening examination

What was measured

Number of positive screens with complications

Analysis population: The units analyzed were positive screening exams with documented diagnostic follow-up. If a participant received 3 positive screens with documented follow-up after each one, she would be counted 3 times in the number of units analyzed.

Groups in this outcome

Ovarian Screening

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.

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

Analysis denominator · Participants

GroupSource count
Ovarian Screening3531

Analysis denominator · Positive Screens with Follow-up

GroupSource count
Ovarian Screening5970

Reported measurements

When DE Led to Ovarian Cancer Diagnosis
Values in Positive screens w/ complications · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Ovarian Screening49Not reportedNot reportedNot reportedNot reported
When DE Did Not Lead to Ovarian Cancer Diagnosis
Values in Positive screens w/ complications · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Ovarian Screening226Not reportedNot reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        value
        49
    title
    When DE Led to Ovarian Cancer Diagnosis
  2. categories
    1. measurements
      1. group Id
        OG000
        value
        226
    title
    When DE Did Not Lead to Ovarian Cancer Diagnosis
denom Units Selected
Positive Screens with Follow-up
denoms
  1. counts
    1. group Id
      OG000
      value
      3531
    units
    Participants
  2. counts
    1. group Id
      OG000
      value
      5970
    units
    Positive Screens with Follow-up
description
Number of positive screens with complications
groups
  1. 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
param Type
NUMBER
population Description
The units analyzed were positive screening exams with documented diagnostic follow-up. If a participant received 3 positive screens with documented follow-up after each one, she would be counted 3 times in the number of units analyzed.
reporting Status
POSTED
time Frame
One year from screening examination
title
Complications of Diagnostic Evaluation (DE) Following a Positive Screening Test
type
SECONDARY
type Units Analyzed
Positive Screens with Follow-up
unit Of Measure
Positive screens w/ complications

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

Preserved source evidence · Not medical advice