Table 1 Summary of dobutamine validations

Year	First Author	N	Excluded	Reference	Sensitivity	Specificity
2006	Paetsch77	150	0	Cath >50%	78	87
2006	Jahnke75	40	0	Cath >50%	82	87
2004	Paetsch62	79		Cath >50%	89	80
2004	Wahl78	170	10	Cath >50%	89	84
1999	Hundley74	163	10	Cath >50%	83	83
1999	Nagel76	208	36	Cath >50%	86	86