fev_data: Example Data on FEV1

In mmrm: Mixed Models for Repeated Measures

Example Data on FEV1

Description

Usage

fev_data

Format

A tibble with 800 rows and 7 variables:

• USUBJID: subject ID.

• AVISIT: visit number.

• ARMCD: treatment, TRT or PBO.

• RACE: 3-category race.

• SEX: sex.

• FEV1_BL: FEV1 at baseline (%).

• FEV1: FEV1 at study visits.

• WEIGHT: weighting variable.

• VISITN: integer order of the visit.

• VISITN2: coordinates of the visit for distance calculation.

Note

Measurements of FEV1 (forced expired volume in one second) is a measure of how quickly the lungs can be emptied. Low levels of FEV1 may indicate chronic obstructive pulmonary disease (COPD).

Source

This is an artificial dataset.

mmrm documentation built on Oct. 7, 2024, 1:14 a.m.