. Author manuscript; available in PMC: 2014 Dec 24.

Published in final edited form as: Am J Emerg Med. 2013 Sep 20;31(11):1546–1550. doi: 10.1016/j.ajem.2013.06.005

Table 1.

Demographic Characteristics

	Acute Aortic Syndromes n=40	Negative Controls n=172	P value^a	Eligible Negatives n=1253	P value^b
Age (yr)	66 ± 15	59 ± 16	0.008	60 ± 16	0.34
Male	17 (42.5%)	68 (39.5%)	0.73	541 (43.1%)	0.48
Race
White	14 (35.0%)	30 (17.4%)	0.01	218 (17.1%)	0.9
Black	10 (25.0%)	61 (35.5%)	0.21	421 (33.6%)	0.51
Hispanic	13 (32.5%)	69 (40.1%)	0.55	539 (43.0%)	0.6
Preferred Language
English	30 (75.0%)	138 (83.6%)	0.46	987 (78.8%)	0.39
Spanish	7 (17.5%)	27 (16.4%)	0.78	244 (19.5%)	0.28

P-value comparing Negative Controls and Acute Aortic Syndromes

P-value comparing Negative Controls to Eligible Negatives