AIDS Clinical Trials Group Study 175


Linked on 9/25/2023

The AIDS Clinical Trials Group Study 175 Dataset contains healthcare statistics and categorical information about patients who have been diagnosed with AIDS. This dataset was initially published in 1996. The prediction task is to predict whether or not each patient died within a certain window of time or not.

Dataset Characteristics

Tabular, Multivariate

Subject Area

Health and Medicine

Associated Tasks

Classification, Regression

Feature Type

Categorical, Integer

# Instances


# Features


Dataset Information

For what purpose was the dataset created?

To examine the performance of two different types of AIDS treatments

Who funded the creation of the dataset?

- AIDS Clinical Trials Group of the National Institute of Allergy and Infectious Diseases - General Research Center units funded by the National Center for Research Resources

What do the instances in this dataset represent?

- Health records - AIDS patients - US only

Are there recommended data splits?

Cross validation or a single train-test split could be used.

Does the dataset contain data that might be considered sensitive in any way?

- Ethnicity (race) - Gender

Was there any data preprocessing performed?


Has Missing Values?


Introductory Paper

A trial comparing nucleoside monotherapy with combination therapy in HIV-infected adults with CD4 cell counts from 200 to 500 per cubic millimeter. AIDS Clinical Trials Group Study 175 Study Team.

By S. Hammer, D. Katzenstein, M. Hughes, H. Gundacker, R. Schooley, R. Haubrich, W. K. Henry, M. Lederman, J. Phair, M. Niu, M. Hirsch, T. Merigan. 1996

Published in New England Journal of Medicine

Variables Table

Variable NameRoleTypeDemographicDescriptionUnitsMissing Values
pidnumIDIntegerPatient IDno
cidTargetBinarycensoring indicator (1 = failure, 0 = censoring)no
timeFeatureIntegertime to failure or censoringno
trtFeatureIntegertreatment indicator (0 = ZDV only; 1 = ZDV + ddI, 2 = ZDV + Zal, 3 = ddI only)no
ageFeatureIntegerAgeage (yrs) at baselineno
wtkgFeatureContinuousweight (kg) at baselineno
hemoFeatureBinaryhemophilia (0=no, 1=yes)no
homoFeatureBinarySexual Orientationhomosexual activity (0=no, 1=yes)no
drugsFeatureBinaryhistory of IV drug use (0=no, 1=yes)no
karnofFeatureIntegerKarnofsky score (on a scale of 0-100)no

0 to 10 of 25

Additional Variable Information

- Personal information (age, weight, race, gender, sexual activity) - Medical history (hemophilia, history of IV drugs) - Treatment history (ZDV/non-ZDV treatment history) - Lab results (CD4/CD8 counts)

Class Labels

Death or Censored (did not die within the time of observation)


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If you use this dataset, please follow the acknowledgment policy on the original dataset website.


AIDSSurvival AnalysisMortality


S. Hammer

D. Katzenstein

M. Hughes

H. Gundacker

R. Schooley

R. Haubrich

W. K.

M. Lederman

J. Phair

M. Niu

M. Hirsch

T. Merigan


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