Effect of the severity of liver dysfunction on the minimum alveolar concentration of sevoflurane responding to an electronic stimulation in cirrhotic patients

Table 4 Neuropsychological test results and BIS value before surgery

	Group N	Group A	Group B	P-value
NCT-A (s)	39.86 ± 10.0	62.29 ± 26.9	73.64 ± 32.1^a	0.017
DST	11.55 (9.8,17.1)	10.25 (6.1,15.1)	8.5 (5.1,12.2)^a	0.015
BIS	97 (97,99)	97 (94,97)	94 (87,97)^a	<0.001
MHE	0	4	7

NCT-A: The Number Connection Test A (Range of normal values: 10–66 s). DST: Digit Symbol Test, the scores were obtained in 90 s according to Wechsler Intelligence Scale for Adult-Chinese Revised (WAIS-RC). BIS: the bispectral index. MHE: minimal hepatic encephalopathy, which was diagnosed if one or both the two neuropsychological tests were abnormal
^aGroup B vs. Group N, P < 0.05

ISSN: 1471-2253