Bioelectrical impedance vector analysis evaluates cellularity and hydration in cirrhotic patients

Table 2 Characteristics of the patients according to the bioelectrical impedance vector analysis method, related to age, sex, staging (Child-Turcotte-Pugh score), etiology and phase angle

Variables1	Total sample (n = 190)	Classification quadrants - BIVA
		Q1 (n = 91; 47.9%)	Q2 (n = 36; 18.9%)	Q3 (n = 27; 14.2%)	Q4 (n = 36; 18.9%)	P value
Age (yr)	56.6 ± 11.0	56.8 ± 9.64	50.3 ± 14.33	57.7 ± 9.24	61.6 ± 8.94	< 0.001
Gender						0.642
Male	116 (61.1)	54 (59.3)	20 (55.6)	17 (63.0)	25 (69.4)
Female	74 (38.9)	37 (40.7)	16 (44.4)	10 (37.0)	11 (30.6)
Child-Turcotte-Pugh						0.052
A	107 (56.3)	52 (57.1)	27 (75.0)	13 (48.1)	15 (41.7)
B	48 (25.3)	25 (27.5)	5 (13.9)	9 (33.3)	9 (25.0)
C	35 (18.4)	14 (15.4)	4 (11.1)	5 (18.5)	12 (33.3)
Etiology						0.380
HCV	90 (47.4)	45 (49.5)	16 (44.4)	13 (48.1)	16 (44.4)
Alcohol	51 (26.8)	29 (31.9)	7 (19.4)	7 (25.9)	8 (22.2)
HCV + alcohol	21 (11.1)	6 (6.6)	4 (11.1)	4 (14.8)	7 (19.4)
Other2	28 (14.7)	11 (12.1)	9 (25.0)	3 (11.1)	5 (13.9)
Phase angle	6.06 ± 2.20	6.49 ± 2.444	7.30 ± 2.124	5.07 ± 0.673	4.46 ± 0.703	< 0.001

¹Described by mean ± SD or n (%).

²Indicates hepatitis B virus, autoimmune, cholestatic disease, non-alcoholic fatty liver disease, and cryptogenic.

³Numbers with superscript 3 do not differ statistically at 5% significance by Tukey’s test.

⁴Numbers with superscript 4 do not differ statistically at 5% significance by Tukey’s test. BIVA: Bioelectrical impedance vector analysis; HCV: Hepatitis C virus; Q1: Quadrant 1; Q2: Quadrant 2; Q3: Quadrant 3; Q4: Quadrant 4.