Prevalence of subclinical hepatic encephalopathy in cirrhotic patients in China

Table 3 Results of NCT in 3 groups

Age (yr)	Control		Hepatitis		Cirrhosisa
	n	Mean ± SD	n	Mean ± SD	n	Mean ± SD
</=34	82	26.7 ± 8.8	176	27.0 ± 6.9	52	46.1 ± 19.2
35-44	76	34.2 ± 12.7	114	35.8 ± 20.3	73	51.4 ± 26.5
45-54	74	39.8 ± 13.8	71	41.9 ± 12.7	107	59.3 ± 30.8
55-64	69	52.7 ± 13.5	35	54.3 ± 7.3	87	71.1 ± 41.8
>/=65	55	69.9 ± 14.8	20	80.1 ± 12.1	90	102.3 ± 48.8
Total	356	47.8 ± 13.2	416	36.8 ± 18.6	409	68.2 ± 41.2

^aP < 0.05 vs cirrhosis versus normal control and chronic hepatitis.