bcva_data {mmrm}

Example Data on BCVA

Description

Usage

bcva_data

Format

A tibble with 10,000 rows and 7 variables:

• USUBJID: subject ID.

• VISITN: visit number (numeric).

• AVISIT: visit number (factor).

• ARMCD: treatment, TRT or CTL.

• RACE: 3-category race.

• BCVA_BL: BCVA at baseline.

• BCVA_CHG: Change in BCVA at study visits.

Note

Measurements of BCVA (best corrected visual acuity) is a measure of how how many letters a person can read off of an eye chart using corrective lenses or contacts. This a common endpoint in ophthalmology trials.

Source

This is an artificial dataset.