Table 3. Long-term survival rate in operated chronic post-embolic pulmonary hypertension patients

Treatment	First author [Ref.]	Patients n	NYHA-FC	6MWD m	Survival %
Treatment	First author [Ref.]	Patients n	NYHA-FC	6MWD m	Year 1	Year 2	Year 3	Year 5
PEA	Archibald [24]	532	ND	ND	88	84	81	76
PEA	Corsico [25]	157	II–IV	ND	NA	NA	NA	84
PEA	Condliffe [20]	236	II–IV	243±133	88	NA	76	75
PEA	Simonneau [21]	404	II–IV	340	93	91	89	NA

Data are presented as mean±sd, unless otherwise stated. PEA: pulmonary endarterectomy; NYHA-FC: New York Heart Association functional class; 6MWD: 6-min walking distance; ND: not determined; NA: not available.