. Author manuscript; available in PMC: 2009 Jan 1.

Published in final edited form as: Pharmacol Biochem Behav. 2007 Aug 19;88(3):222–229. doi: 10.1016/j.pbb.2007.08.003

Table 1.

Summary of Heart Rate Results (HR = heart rate_

	HR baseline (mean ± std dev)	HR 45 minutes after medication administration (mean ± std dev)	Significance t(71) =, p =	HR on medication vs. placebo (after administration) Significance t(70) =, p =
Placebo	74.83 ± 9.87	76.58 ± 11.31	1.93, 0.06
Propranolol 20mg	77.0 ± 8.52	72.88 ± 8.78	4.75, < 0.001	3.13, 0.002
Propranolol 40mg	75.59 ± 9.09	70.72 ± 8.55	4.92, < 0.001	5.29, < 0.001
Propranolol 60mg	74.68 ± 8.95	70.37 ± 9.17	4.82, < 0.001	5.47, < 0.001