cmv: Data on times to shedding of cytomegalovirus and to colonization
of mycobacterium avium complex.
Description
The cmv data frame has 204 rows and 4 columns.
The intervals should be treated as closed at both ends to replicate
the analysis in Betensky and Finkelstein.
Format
This data frame contains the following columns:
- cmvL
-
The left end of the CMV shedding interval.
- cmvR
-
The right end of the CMV shedding interval.
- macL
-
The left end of the MAC colonization interval.
- macR
-
The right end of the MAC colonization interval.
Source
Betensky, R. A. and Finkelstein, D. M., 1999,
A nonparametric maximum likelihood estimator for bivariate interval
censored data,
Statistics in Medicine,Details
Betensky and Finkelstein, 1999 present data from the AIDS Clinical
Trials Group protocol ACTG 181. This was a natural history substudy of
a comparative trial. Patients were scheduled for clinic visits during
follow--up and data was collected on the time until two events;
shedding of cytomegalovirus (CMV) in the urine and blood and for
colonization of mycobacterium avium complex (MAC) in the sputum or
stool.