NAME: 	
Worcester Heart Attack Study WHAS100 Data (whas100.dat)

SIZE: 
100 Observations, 9 variables

SOURCE: 
Worcester Heart Attack Study data from Dr. Robert J. Goldberg of 
the Department of Cardiology at the University of Massachusetts Medical 
School. 

REFERENCE:
Hosmer, D.W. and Lemeshow, S. and May, S. (2008) 
Applied Survival Analysis: Regression Modeling of Time to Event Data:
Second Edition, John Wiley and Sons Inc., New York, NY

DESCRIPTIVE ABSTRACT:
The main goal of this study is to describe factors associated 
with trends over time in the incidence and survival rates following 
hospital admission for acute myocardial infarction (MI).  Data have been 
collected during thirteen 1-year periods beginning in 1975 and extending 
through 2001 on all MI patients admitted to hospitals in the Worcester, 
Massachusetts Standard Metropolitan Statistical Area.

DISCLAIMER:  
This data is also available at the following Wiley's FTP site: 
ftp//ftp.wiley.com/public/sci_tech_med/survival

LIST OF VARIABLES:

Variables	Name		Description			Values/Codes
*****************************************************************************
1		id		ID Code				1-100
2		admitdate	Admission Date			mm/dd/yyyy
3		foldate		Follow Up Date			mm/dd/yyyy
4		los		Length of Hospital Stay		Days
5		lenfol		Follow Up Time			Days
6		fstat	        Follow Up Satus			1 = Dead, 
								0 = Alive
7		age		Age				years
8		gender		Gender				0 = Male
								1= Female
9		bmi		Body Mass Index			kg/m^2