Ain-Shams Journal of Anesthesiology

Table 2 Intraoperative haemodynamic parameters and O₂ saturation in both groups

From: Rivastigmine patch (Exelon patch) compared to melatonin patch in prevention of postoperative delirium in the elderly

Intraoperative	Group M (No. = 90)	Group R (No. = 90)	t test
Intraoperative	Mean ± SD	Mean ± SD	t	P value
Mean SBP	141.26 ± 18.63	143.61 ± 19.79	0.822	0.412
Mean DBP	66.84 ± 9.09	69.32 ± 11.40	1.612	0.109
Mean SPO₂	98.57 ± 0.92	98.60 ± 0.93	0.241	0.810
Mean HR	77.46 ± 15.25	80.36 ± 14.96	1.288	0.200

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