Phase angle and non-alcoholic fatty liver disease before and after bariatric surgery

Table 7 Degrees and staging of non-alcoholic fatty liver disease before and after bariatric surgery, n = 33

Variables	Pre	Post	P value
	n (%)	n (%)
NAFLD			0.031
Yes	33 (100)	27 (81.8)
No	0 (0.0)	6 (18.2)
Hepatic steatosis			< 0.001
Absent	0 (0.0)	6 (18.2)
Discreet	14 (42.4)	24 (72.7)
Moderate	8 (24.2)	3 (9.1)
Accented	8 (24.2)	0 (0.0)
Massive	3 (9.1)	0 (0.0)
Ballooning			< 0.001
Absent	5 (15.2)	29 (87.9)
Discreet	23 (69.7)	4 (12.1)
Moderate	3 (9.1)	0 (0.0)
Accented	2 (6.1)	0 (0.0)
Lobular inflammation			0.003
Absent	21 (63.6)	30 (90.9)
Discreet	7 (21.2)	3 (9.1)
Moderate	3 (9.1)	0 (0.0)
Accented	2 (6.1)	0 (0.0)
NASH			< 0.001
Absent	6 (18.2)	25 (75.8)
Grade 1	20 (60.6)	5 (15.2)
Grade 2	4 (12.1)	3 (9.1)
Grade 3	3 (9.1)	0 (0.0)
Fibrosis			0.033
Absent	26 (78.8)	27 (81.8)
Grade 1	3 (9.1)	4 (12.1)
Grade 2	0 (0.0)	0 (0.0)
Grade 3	4 (12.1)	2 (6.1)

NAFLD: Non-alcoholic fatty liver disease; NASH: Non-alcoholic steatohepatitis.