Table 5. Comparative analysis of systolic blood pressure (SBP) between groups at different time intervals.

Time	Group	N	Mean	Std. deviation	95% confidence interval for mean		t-test p-value
					Lower bound	Upper bound
At 0 min	B	40	116.20	11.22	112.61	119.79	0.940	NS
	I	40	116.40	12.35	112.45	120.35
At 3 min	B	40	108.25	12.56	104.23	112.27	0.000	HS
	I	40	124.50	24.25	116.74	132.26
At 6 min	B	40	113.58	10.68	110.16	116.99	0.332	NS
	I	40	117.23	21.12	110.47	123.98
At 9 min	B	40	118.75	8.10	116.16	121.34	0.020	Sig
	I	40	110.60	20.21	104.14	117.06