Index of consciousness monitoring during general anesthesia may effectively enhance rehabilitation in elderly patients undergoing laparoscopic urological surgery: a randomized controlled clinical trial

Table 1 Demographic and clinical characteristics

Variable	Group control (n = 60)	Group IoC (n = 60)	t/Z/χ²-value	P-value	SE difference (95%Cl)
Age(year)	71.83 ± 4.90	70.57 ± 5.18	1.377	0.171^a	0.92(-0.56, 3.09)
Gender (Female/Male)(n)	20/40	19/41	0.038	0.845^b	——
BMI (kg/m²)	25.38 ± 2.84	24.92 ± 3.05	0.849	0.398^a	0.54(-0.61, 1.52)
Hypertension [n (%)]	33(55.0)	34(56.7)	0.034	0.854^b	——
Diabetes [n (%)]	20(33.3)	17(28.3)	0.352	0.553^b	——
Coronary artery disease [n (%)]	11(18.3)	14(23.3)	0.455	0.500^b	——
ASA classification (I/II/III)(n)	21/32/07	26/23/11	0.312	0.755^c	——
Higher education(year)	9.88 ± 2.92	9.41 ± 2.77	0.913	0.363^a	0.53(-0.66, 1.43)

Data are shown as mean ± SD, median [interquartile range], or number (%). BMI: Body mass index;
ASA: American Society of Anesthesiology
^a The P-value was obtained by two-sample t-test
^b The P-value was obtained by Pearson’s chi-square test
^c The P-value was obtained by Mann-Whitney U test
P < 0.05 was considered as statistically significant

ISSN: 1471-2253