Description of the variables in the WHAS show in Table 1.4 of a Hosmer,
D.W. and Lemeshow, S. (1998) Applied Survival Analysis: Regression Modeling
of Time to Event Data, John Wiley and Sons Inc., New York, NY


Data are in file WHAS.DAT
n = 481

Variable	Description			Codes / Units

ID		Identification Code 	1 - 481

AGE		Age (per chart)		years

SEX		Gender			0 = Male
						1 = Female

CPK		Peak Cardiac Enzyme	International Units (iu)

SHO 		Cardiogenic Shock		0 = No
		Complications 		1 = Yes

CHF		Left Heart Failure	0 = No
		Complications 		1 = Yes

MIORD 	MI Order			0 = First
						1 = Recurrent

MITYPE 	MI Type			1 = Q-wave
						2 = Not Q-wave
						3 = Indeterminate

YEAR		Cohort Year			1 = 1975
						2 = 1978
						3 = 1981
						4 = 1984
						5 = 1986
						6 = 1988

YRGRP	Grouped Cohort Year		1 = 1975 & 1978
						2 = 1981 & 1984
						3 = 1986 & 1988

LENSTAY	Length of Hospital Stay	Days
		Days in Hospital

DSTAT		Discharge Status		0 = Alive
		from Hospital		1 = Dead

LENFOL	Total Length of Follow-up	Days
		from Hospital Admission

FSTAT	Status as of Last			0 = Alive
		Follow-up			1 = Dead

