Body Composition in Crohn’s Disease and Ulcerative Colitis: Correlation with Disease Severity and Duration
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
21.9 ± 4.5
14.6 ± 9.5
9.4 ± 6.9
48.6 ± 8.4
18.5 ± 2.1
E2
21.3 ± 4.5
15.1 ± 10.1
9.6 ± 8.3
47.3 ± 8.3
17.8 ± 2.1
E3
20.2 ± 3.3
12.8 ± 6.4
7.4 ± 5.1
48.3 ± 8.4
17.5 ± 1.7
value
0.64
0.73
0.44
0.77
0.72
Disease severity
Remission
22.1 ± 4.9
16.5 ± 10.2
10.9 ± 8.9
49.4 ± 9.3
18.1 ± 2.2
Mild
20.2 ± 3.2
13.9 ± 8.6
8.1 ± 5.9
46.5 ± 7.3
17.2 ± 1.9
Moderate to severe
19.9 ± 3.2
9.7 ± 4.9
5.7 ± 3.6
48.6 ± 7.8
17.9 ± 1.9
value
0.23
0.13
0.14
0.54
0.36
Endoscopic severity
Grade I
24.2 ± 5.3
22.6 ± 11.4
16.3 ± 10.8
51.9 ± 8.2
18.3 ± 1.6
Grade II
20.3 ± 3.8
12.3 ± 7.9
7.4 ± 5.9
47.6 ± 8.5
17.6 ± 2.1
Grade III
20.8 ± 3
14.7 ± 5.8
8.3 ± 3.7
47.7 ± 7.9
17.7 ± 1.9
value
0.04
0.01
0.004
0.37
0.62
Steroid requirement
None
22.1 ± 5.3
16.7 ± 10.9
11.1 ± 10.1
48.1 ± 9.4
17.9 ± 2.0
1/year
20.8 ± 3.6
12.8 ± 7.1
7.5 ± 4.6
48.9 ± 8.1
18.0 ± 1.9
>1/year
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
21.4 ± 2.9
14.5 ± 6.1
8.5 ± 4.5
47.6 ± 9.3
18.1 ± 1.7
1–5 years
21.9 ± 4.8
15.8 ± 10.6
10.5 ± 8.9
49.4 ± 8.6
18.0 ± 2.0
>5 years
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. to Baron’s index.