Table 4.

Changes in rate pressure product

Variables	Mean±SD
	Baseline	Intubation	After intubation
			1 min	2 min	3 min	5 min
Esmolol	10,161±13	10,064±13	9904±11	9900±12	9761±10	9852±96
Lignocaine	10,344±12	12,801±13	15,002±16	16,581±17	15,613±15	14,103±14
t	1.43	2.61	4.07	4.03	3.01	2.45
P	>0.05	<0.01	<0.001	<0.001	<0.01	<0.01

SD=Standard deviation