Effect of raw electroencephalogram-guided anesthesia administration on postoperative outcomes in elderly patients undergoing abdominal major surgery: a randomized controlled trial

Table 5 Subgroup analyses of postoperative complications

	rEEG-guided group	Routine care group	P
POD, no.
low frontal alpha power	2(7%)	7(22%)	0.081
high frontal alpha power	0	0	/
Other systemic complications, no.
low frontal alpha power	9(30%)	14(44%)	0.533
high frontal alpha power	10(32%)	15(47%)	0.277

ISSN: 1471-2253