Variable Label (VAR)	Variable Name	Category	N(%)	N(Missing)	Mean(SD)	Median(Q1,Q3)	Range of Values	
A1. Blind_ID	BLIND_ID			2132(0)	458.77(268.64)	445.00(221.50,695.50)	2.00-920.00	
								
A3. Study visit	VISIT	Study visit 5 (2 years)	477(22.4)					
								
		Study visit 6 (3 years)	461(21.6)					
								
		Study visit 7 (4 years)	447(21.0)					
								
		Study visit 8 (5 years)	435(20.4)					
								
		Study visit 9 (6 years)	312(14.6)					
								
A4. Follow-up	FOLLOWUP	Follow-up for SVR II only (MID-2009 OR LATER)	1637(76.8)					
								
		Follow-up prior to end of main trial	486(22.8)					
								
		Prior to 12 Months	9(0.4)					
								
B1. Type of patient	TYPEPT	Observation	371(17.4)					
								
		Randomized	1761(82.6)					
								
B2a. Source of vital status:  Family member	FAMILYMEMBER	No	823(38.6)					
								
		Yes	1309(61.4)					
								
B2b. Source of vital status:  MD/Medical Records	MEDICALREC	No	526(24.7)					
								
		Yes	1606(75.3)					
								
B2c. Source of vital status:  Social Security Death Index (SSDI)	SSDI	Missing	1(<0.1)					
								
		No	2102(98.6)					
								
		Yes	29(1.4)					
								
B2d. Source of vital status:  Other	SOURCE_OTHER	Missing	1(<0.1)					
								
		No	2116(99.2)					
								
		Yes	15(0.7)					
								
B2d1. Specify source	SOURCE_SP			()	()	(,)	-	
								
B3. Vital status	OUTVITAL	Alive	2074(97.3)					
								
		Dead	35(1.6)					
								
		Lost to Followup	3(0.1)					
								
		No Information	20(0.9)					
								
B3a. Age (years) at death or last known alive	STATUS_D_AGE_YEARS			2110(22)	3.87(1.39)	4.00(2.95,5.00)	1.09-6.88	
								
B4. Was death related to SV diagnosis or surgery?	DEATHSVR	Missing	8(0.4)					
								
		No	3(0.1)					
								
		Skipped	2093(98.2)					
								
		Yes	28(1.3)					
								
B5. Primary cause of death	COD	Cardiac	21(1.0)					
								
		Missing	4(0.2)					
								
		Non-Cardiac	7(0.3)					
								
		Skipped	2093(98.2)					
								
		Unknown	7(0.3)					
								
B5a. Was the patient's death related to the shunt s/he received?	CODSHUNT	Definitely Related	1(<0.1)					
								
		Missing	4(0.2)					
								
		Not Related	19(0.9)					
								
		Possibly Related	8(0.4)					
								
		Skipped	2100(98.5)					
								
B5b. Primary cause	PRICAUSECODE	Arrhythmia	1(<0.1)					
								
		Heart failure	9(0.4)					
								
		Infection	1(<0.1)					
								
		Missing	4(0.2)					
								
		Multi-organ failure	1(<0.1)					
								
		Myocardial ischemia	1(<0.1)					
								
		Neurologic injury (CVA)	2(0.1)					
								
		Other	4(0.2)					
								
		Respiratory arrest	1(<0.1)					
								
		Respiratory failure	2(0.1)					
								
		Skipped	2100(98.5)					
								
		Sudden cardiac death	5(0.2)					
								
		Thrombotic event	1(<0.1)					
								
B5c. If Other (99), specify	PRICAUSE_S			()	()	(,)	-	
								
B6. Number of secondary causes of death	SEC_CODNUM			28(2104)	1.04(1.32)	1.00(0.00,2.00)	0.00-5.00	
								
B61. . secondary causes of death	SEC_CODCODE_0	Arrhythmia	1(<0.1)					
								
		Infection	2(0.1)					
								
		Multi-organ failure	3(0.1)					
								
		Neurologic injury (CVA)	1(<0.1)					
								
		Other	6(0.3)					
								
		Respiratory failure	2(0.1)					
								
		Skipped	2117(99.3)					
								
B62. . secondary causes of death	SEC_CODCODE_1	Heart failure	1(<0.1)					
								
		Infection	2(0.1)					
								
		Missing	7(0.3)					
								
		Multi-organ failure	1(<0.1)					
								
		Neurologic injury (CVA)	1(<0.1)					
								
		Other	2(0.1)					
								
		Pulmonary hypertension	1(<0.1)					
								
		Skipped	2117(99.3)					
								
B63. . secondary causes of death	SEC_CODCODE_2	Arrhythmia	1(<0.1)					
								
		Missing	12(0.6)					
								
		Other	1(<0.1)					
								
		Respiratory failure	1(<0.1)					
								
		Skipped	2117(99.3)					
								
B64. . secondary causes of death	SEC_CODCODE_3	Missing	13(0.6)					
								
		Other	1(<0.1)					
								
		Respiratory arrest	1(<0.1)					
								
		Skipped	2117(99.3)					
								
B65. . secondary causes of death	SEC_CODCODE_4	Missing	14(0.7)					
								
		Other	1(<0.1)					
								
		Skipped	2117(99.3)					
								
B61. . specify other secondary causes of death	SEC_COD_S_0			()	()	(,)	-	
								
B62. . specify other secondary causes of death	SEC_COD_S_1			()	()	(,)	-	
								
B63. . specify other secondary causes of death	SEC_COD_S_2			()	()	(,)	-	
								
B64. . specify other secondary causes of death	SEC_COD_S_3			()	()	(,)	-	
								
B65. . specify other secondary causes of death	SEC_COD_S_4			()	()	(,)	-	
								
B7. Cause of death description	CODDESC			()	()	(,)	-	
								
B8. Heart Transplant Status	HTYNLIST	Listed for Transplant	21(1.0)					
								
		Missing	5(0.2)					
								
		No listing or transplant	2011(94.3)					
								
		Skipped	18(0.8)					
								
		Transplanted	77(3.6)					
								
B8a. Age (years) at transplant	HT_D_AGE_YEARS			77(2055)	1.29(1.09)	0.90(0.56,1.72)	0.15-5.57	
								
B8b. Age (years) at initial listing	HTLIST_D_AGE_YEARS			98(2034)	1.50(1.38)	1.19(0.41,2.30)	0.05-6.06	
								
B8c. Initial listing status or status prior to transplant or deat	HTINTSTATUS	1A (US)/2, 3, 3.5, 4 (Canada)	67(3.1)					
								
		1B (US)	18(0.8)					
								
		2 (US)/1 (Canada)	13(0.6)					
								
		Missing	5(0.2)					
								
		Skipped	2029(95.2)					
								
B8d. Current status or status prior to transplant or death	HTSTATUS	1A (US)/2, 3, 3.5, 4 (Canada)	76(3.6)					
								
		1B (US)	10(0.5)					
								
		2 (US)/1 (Canada)	6(0.3)					
								
		7 (US)/0 (Canada)	6(0.3)					
								
		Missing	5(0.2)					
								
		Skipped	2029(95.2)					
								
Form version	VER_ID	B	77(3.6)					
								
		C	637(29.9)					
								
		D	1323(62.1)					
								
		UNKNOWN	95(4.5)