Table 3.

Effect of disease extent, clinical and endoscopic severity, steroid requirement, and disease duration on body fat and lean mass in patients with ulcerative colitis.

	BMI	Fat percentage	Fat mass in kg	Lean mass in kg	FFMI
Disease extent
E1 (n = 3)	21.9 ± 4.5	14.6 ± 9.5	9.4 ± 6.9	48.6 ± 8.4	18.5 ± 2.1
E2 (n = 35)	21.3 ± 4.5	15.1 ± 10.1	9.6 ± 8.3	47.3 ± 8.3	17.8 ± 2.1
E3 (n = 15)	20.2 ± 3.3	12.8 ± 6.4	7.4 ± 5.1	48.3 ± 8.4	17.5 ± 1.7
p  value	0.64	0.73	0.44	0.77	0.72
Disease severity
Remission (n = 26)	22.1 ± 4.9	16.5 ± 10.2	10.9 ± 8.9	49.4 ± 9.3	18.1 ± 2.2
Mild (n = 17)	20.2 ± 3.2	13.9 ± 8.6	8.1 ± 5.9	46.5 ± 7.3	17.2 ± 1.9
Moderate to severe (n = 10)	19.9 ± 3.2	9.7 ± 4.9	5.7 ± 3.6	48.6 ± 7.8	17.9 ± 1.9
p value	0.23	0.13	0.14	0.54	0.36
Endoscopic severity ∗
Grade I (n = 7)	24.2 ± 5.3	22.6 ± 11.4	16.3 ± 10.8	51.9 ± 8.2	18.3 ± 1.6
Grade II (n = 37)	20.3 ± 3.8	12.3 ± 7.9	7.4 ± 5.9	47.6 ± 8.5	17.6 ± 2.1
Grade III (n = 9)	20.8 ± 3	14.7 ± 5.8	8.3 ± 3.7	47.7 ± 7.9	17.7 ± 1.9
p value	0.04	0.01	0.004	0.37	0.62
Steroid requirement
None (n = 14)	22.1 ± 5.3	16.7 ± 10.9	11.1 ± 10.1	48.1 ± 9.4	17.9 ± 2.0
1/year (n = 15)	20.8 ± 3.6	12.8 ± 7.1	7.5 ± 4.6	48.9 ± 8.1	18.0 ± 1.9
>1/year (n = 24)	20.6 ± 3.9	14.1 ± 9.2	8.8 ± 7.1	48.1 ± 8.2	17.5 ± 1.9
	0.59	0.50	0.41	0.95	0.62
Disease duration (years)
<1 year (n = 9)	21.4 ± 2.9	14.5 ± 6.1	8.5 ± 4.5	47.6 ± 9.3	18.1 ± 1.7
1–5 years (n = 20)	21.9 ± 4.8	15.8 ± 10.6	10.5 ± 8.9	49.4 ± 8.6	18.0 ± 2.0
>5 years (n = 15)	17.9 ± 2.3	9.4 ± 6.0	4.9 ± 3.3	45.8 ± 5.5	16.1 ± 1.2
	0.04	0.18	0.13	0.51	0.03

E1: proctitis; E2: left sided colitis; E3: pancolitis; Remission: SCCAI < 3; Mild: SCCAI 3–6; Moderate to severe: SCCAI > 6. ^∗According to Baron's index.