Table 1. Demographics and clinical data of MHE patients and healthy controls.
| Protocols | HC (n = 20) | MHE (n = 20) | P value |
| Sex (M/F) | 13/7 | 13/7 | 1a |
| Age (±SD), y | 55.10±7.22 | 56.57±9.19 | 0.64b |
| Venous blood ammonia (in umol/L) | 69.06±26.13 | ||
| Child-Pugh scale | |||
| A | 9 | ||
| B | 11 | ||
| C | 0 | ||
| NCT-A (s) | 46.68±7.39 | 72.80±16.71 | <0.001b |
| DST | 42.29±8.91 | 23.15±8.17 | <0.001b |
Values are expressed as mean ± SD. HC = healthy control; MHE = minimal hepatic encephalopathy. NCT-A = number connecting-A; DST = digit symbol test.
a
The P value for gender distribution in the two groups was obtained by chi-square test.
b
The P value for age and neuropsychological tests difference between the two patients groups was obtained by two sample t test.