Table 1

Groups	N	NBF (%)	P
Groups	N	Mean (SD)	P
Control	8	47.63 (5.01)	> 0.05^a
PRP-1	8	49.25 (7.38)
PRP-2	8	51 (8.8)
Control	8	47.63 (5.01)	> 0.05^b
PRP-1 + PRP-2	16	50.13 (7.9)	> 0.05^b

^aNot statistically significant at level P < 0.05 (One-way ANOVA).
^bNot statistically significant at level P < 0.05 (Student's t-test).
N = number of subjects; SD = standard deviation; PRP-1 = propranolol dose-1; PRP-2 = propranolol dose-2.