Table 3.

Change in percent fat Z-score and fat-free mass Z-score from baseline, adjusted for baseline age and sex.

Weeks on	Weeks off	Change in %BFZ			Change in FFMZ
PEG IFNα2a	PEG IFNα2a	N	Mean±SE	P Δ=0	N	Mean±SE	P Δ=0
24	0	68	−0.12±0.05	0.02	70	−0.33±0.05	<0.0001
	24	6	0.02±0.05	0.60	6	−0.26±0.08	0.001
	48	5	0.33±0.08	<0.0001	5	−0.46±0.20	0.02
	96	4	0.31±0.34	0.37	3	−0.28±0.08	0.0003
48	0	56	−0.14±0.06	0.02	56	−0.37±0.05	<0.0001
	24	44	−0.02±0.06	0.79	45	0.02±0.06	0.75
	48	40	−0.01±0.07	0.91	40	0.06±0.07	0.36
	96	28	0.04±0.12	0.71	30	−0.02±0.09	0.81
72	0	4	−0.24±0.22	0.29	3	0.11±0.21	0.60
	24	4	−0.14±0.40	0.74	3	0.33±0.30	0.27
	48	4	−0.11±0.45	0.80	3	0.47±0.27	0.08
	96	1	0.37±0.26	0.16	1	0.61±0.20	0.002

Abbreviations: %BFZ = percent fat z-score; FFMZ = fat-free mass z-score.