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

Table 2 Patient characteristics in each group

	rEEG-guided group	Routine care group	P
Age, years	68[65 73]	69[65 74]	0.203
Sex, no.			0.702
Male	39(64%)	43(67%)
Female	22(36%)	21(33%)
Body mass index, kg/m2	22[20 24]	22[20 25]	0.758
ASA physical status,no.			0.173
1	0	0
2	42(69%)	36(56%)
3	18(29%)	28(44%)
4	1(2%)	0
Planned postoperative care in ICU,no.	1(2%)	1(2%)	1.000
Coexisting medical conditions,no.
Cardiovascular disease	32(52%)	43(67%)	0.093
Stroke or neurological disease	9(15%)	12(19%)	0.55
Respiratory disease	20(33%)	18(28.1%)	0.698
Diabetes	10(16%)	8(13%)	0.535
Rheumatoid arthritis or connective tissue disease	1(2%)	2(3%)	1.000
Renal disease	2(3%)	2(3%)	1.000
Liver disease	4(7%)	3(5%)	0.948

Values are presented as number (%) or median (1Q, 3Q). ASA: American Society of Anesthesiologists classification; ICU: intensive care unit

ISSN: 1471-2253