Ain-Shams Journal of Anesthesiology

Table 4 Comparison of heart rate and mean arterial pressure in both groups

From: A prospective, randomized controlled, double-blinded study comparing dexmedetomidine and clonidine as an adjuvant to ropivacaine in femoral nerve block for postoperative analgesia in patients undergoing total knee arthroplasty

	Group 1	Group 2	P value (unpaired t-test)
HR
0 min	82.35 ± 11.063	89.65 ± 7.601	0.001
30 min	72.25 ± 12.695	77.65 ± 8.304	0.027
1 h	67.6 ± 9.945	74.35 ± 8.198	0.001
2 h	69.83 ± 10.463	75.65 ± 7.695	0.006
4 h	74.55 ± 11.562	79.95 ± 6.706	0.013
8 h	78.73 ± 9.964	84.95 ± 7.2	0.002
12 h	79.03 ± 9.169	88.73 ± 7.331	< 0.001
16 h	82.38 ± 9.175	87.9 ± 7.351	0.004
20 h	83.63 ± 9.437	86.35 ± 5.842	0.125
24 h	79.98 ± 7.495	84.4 ± 5.973	0.005
MAP
0 min	103.35 ± 5.233	100.5 ± 6.687	0.037
30 min	86.9 ± 5.418	89.96 ± 8.184	0.052
1 h	82.58 ± 6.716	85.21 ± 7.817	0.111
2 h	82.82 ± 6.186	84.09 ± 5.745	0.346
4 h	85.35 ± 5.158	86.19 ± 6.47	0.522
8 h	87.49 ± 4.893	89.57 ± 6.652	0.116
12 h	90 ± 6.835	92.92 ± 6.362	0.052
16 h	90.92 ± 7.472	92.45 ± 6.9	0.343
20 h	90.58 ± 8.02	94.05 ± 4.862	0.022
24 h	89.32 ± 6.136	91.07 ± 5.063	0.17

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