Column	VARNAME	VARDESC	DOCFILE	TYPE	UNITS	COMMENT1	COMMENT2	VALUES				
3	SUBJID	"Subject ID, GTEx Public Donor ID"		string		"Subject ID, GTEx Public Donor ID"						
5	AGE	Age	Demography	integer	Years	Age	Elapsed time since birth in years.					
4	SEX	Sex	Demography	"integer, encoded value"		Sex	"The Donor's Identification of sex based upon self-report, family/next of kin, or medical record abstraction."	1=Male	2=Female			
6	DTHHRDY	Hardy Scale	Death Circumstances	"integer, encoded value"		Death Classification: 4-point Hardy Scale	"Death classification based on the 4-point Hardy Scale:
1) Violent and fast death Deaths due to accident, blunt force trauma or suicide, terminal phase estimated at < 10 min. 
2) Fast death of natural causes Sudden unexpected deaths of people who had been reasonably healthy, after a terminal phase estimated at < 1 hr (with sudden death from a myocardial infarction as a model cause of death for this category) 
3) Intermediate death Death after a terminal phase of 1 to 24 hrs (not classifiable as 2 or 4); patients who were ill but death was unexpected 
4) Slow death Death after a long illness, with a terminal phase longer than 1 day (commonly cancer or chronic pulmonary disease); deaths that are not unexpected 
0) Ventilator Case All cases on a ventilator immediately before death."	0=Ventilator Case	1=Violent and fast death	2=Fast death of natural causes	3=Intermediate death	4=Slow death