[Table/Fig-2]:

Comparison of heart rate among groups at different time intervals

Time interval	Group I (n=30)			Group II (n=30)			Group III (n=30)			Significance of difference
	n	Mean	SD	n	Mean	SD	n	Mean	SD	“F“	“p“
Pre	30	83.03	8.84	30	79.87	8.32	30	79.63	9.24	1.394	0.253
0 min	30	87.10	9.36	30	81.13	7.64	30	77.13	9.45	9.625	<0.001
15 min	30	89.10	10.28	30	86.13	6.28	30	69.17	9.36	54.737	<0.001
30 min	30	90.73	7.67	30	90.23	7.71	30	67.40	9.52	76.493	<0.001
45 min	30	89.57	5.95	30	87.03	6.50	30	64.93	8.50	110.208	<0.001
60 min	30	89.30	9.85	30	88.00	5.68	30	64.33	4.54	118.596	<0.001
90 min	30	87.27	7.02	30	85.03	5.35	30	64.70	3.27	156.952	<0.001
120 min	30	86.50	6.79	30	86.53	4.60	30	65.93	4.39	146.803	<0.001
150 min	30	84.57	4.65	30	85.23	6.47	30	70.70	5.64	63.596	<0.001
180 min	28	82.57	11.43	30	85.43	5.32	30	70.13	3.85	35.158	<0.001
210 min	25	79.28	6.22	30	85.27	6.81	23	69.22	2.13	53.254	<0.001
240 min	19	80.89	5.40	21	85.24	3.33	17	68.82	1.67	90.173	<0.001
270 min	16	76.25	7.33	12	84.00	2.92	12	69.83	2.92	22.521	<0.001
300 min	7	79.43	6.55	6	85.50	0.84	6	68.33	0.82	27.579	<0.001