Liver cirrhosis-effect on QT interval and cardiac autonomic nervous system activity

Table 4 The results of the cardiac autonomic function tests in controls and patients

	Controls	Patients	P value
Deep breathing test (value, N/A)	1.25 ± 0.16 (48/3)	1.13 ± 0.13 (23/28)	< 0.001
Valsalva test (value, N/A)	1.45 ± 0.24 (45/6)	1.33 ± 0.25 (30/21)	0.01
Lying-to-standing test (value, N/A)	1.17 ± 0.24 (45/6)	1.08 ± 0.10 (29/22)	0.01
Systolic blood pressure fall to standing (value, N/A)	0 (0-5) (50/1)	10 (0-20) (35/16)	< 0.001
CAN, n (%)	3 (5.9)	28 (54.9)	< 0.001
Total score of CAN	1 (0-2)	4 (2-6)	< 0.001

Data are shown as mean ± SD or as n (%) or as median value (interquartile range). CAN: Cardiac autonomic neuropathy; N: Number of subjects with normal test; A: Number of subjects with abnormal test.