Body Composition in Crohn’s Disease and Ulcerative Colitis: Correlation with Disease Severity and Duration

Table 4

Effect of disease behavior, clinical severity, and disease duration on body composition in patients with Crohn’s disease.

	BMI	Fat percentage	Fat mass in kg	Lean mass in kg	FFMI
Disease behavior
B1	20.6 ± 4.4	14.8 ± 9.7	8.5 ± 6.9	43.8 ± 8.3	17.2 ± 2.0
B2 and B3 ( = 22 and 1)	20.5 ± 2.9	16.4 ± 9.1	9.1 ± 5.1	44.4 ± 7.7	16.9 ± 1.7
value	0.82	0.54	0.69	0.79	0.91
Disease severity
Remission	22.1 ± 4.2	18.3 ± 10.0	11.2 ± 7.0	46.4 ± 7.9	17.7 ± 1.9
Mild	19.9 ± 2.3	15.6 ± 8.5	7.9 ± 4.4	41.8 ± 5.7	16.7 ± 1.2
Moderate to severe	19.7 ± 4.2	12.9 ± 9.4	7.2 ± 5.9	44.6 ± 9.4	16.9 ± 2.3
value	0.18	0.32	0.16	0.27	0.31
Disease duration (years)
<1 year	22.5 ± 5.2	15.6 ± 8.6	10.9 ± 7.6	52.3 ± 8.3	18.6 ± 2.6
1–5 years	19.4 ± 3.3	15.1 ± 10.0	7.8 ± 5.8	40.9 ± 6.5	16.3 ± 1.4
>5 years	20.8 ± 2.5	16.2 ± 9.4	8.6 ± 5.1	43.6 ± 5.7	17.3 ± 0.9
value	0.11	0.95	0.44	0.001	0.003

B1: inflammatory; B2: stricturing; B3: penetrating; Remission: CDAI < 150; Mild: CDAI: 150–220; Moderate to severe: CDAI > 220.