fev_data | R Documentation |
tern.gee
package.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).
fev_data
A tibble
with 800 rows and 7 variables:
USUBJID
: unique subject identifier.
AVISIT
: visit number.
ARMCD
: treatment, TRT
or PBO
.
RACE
: 3-category race.
SEX
: sex.
FEV1_BL
: FEV1 at baseline (%).
FEV1
: FEV1 at study visits.
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