Research Article

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.

BMIFat percentageFat mass in kgLean mass in kgFFMI

Disease extent
E1 21.9 ± 4.514.6 ± 9.59.4 ± 6.948.6 ± 8.418.5 ± 2.1
E2 21.3 ± 4.515.1 ± 10.19.6 ± 8.347.3 ± 8.317.8 ± 2.1
E3 20.2 ± 3.312.8 ± 6.47.4 ± 5.148.3 ± 8.417.5 ± 1.7
  value0.640.730.440.770.72
Disease severity
Remission 22.1 ± 4.916.5 ± 10.210.9 ± 8.949.4 ± 9.318.1 ± 2.2
Mild 20.2 ± 3.213.9 ± 8.68.1 ± 5.946.5 ± 7.317.2 ± 1.9
Moderate to severe 19.9 ± 3.29.7 ± 4.95.7 ± 3.648.6 ± 7.817.9 ± 1.9
value0.230.130.140.540.36
Endoscopic severity
Grade I 24.2 ± 5.322.6 ± 11.416.3 ± 10.851.9 ± 8.218.3 ± 1.6
Grade II 20.3 ± 3.812.3 ± 7.97.4 ± 5.947.6 ± 8.517.6 ± 2.1
Grade III 20.8 ± 314.7 ± 5.88.3 ± 3.747.7 ± 7.917.7 ± 1.9
value0.040.010.0040.370.62
Steroid requirement
None 22.1 ± 5.316.7 ± 10.911.1 ± 10.148.1 ± 9.417.9 ± 2.0
1/year 20.8 ± 3.612.8 ± 7.17.5 ± 4.648.9 ± 8.118.0 ± 1.9
>1/year 20.6 ± 3.914.1 ± 9.28.8 ± 7.148.1 ± 8.217.5 ± 1.9
0.590.500.410.950.62
Disease duration (years)
<1 year 21.4 ± 2.914.5 ± 6.18.5 ± 4.547.6 ± 9.318.1 ± 1.7
1–5 years 21.9 ± 4.815.8 ± 10.610.5 ± 8.949.4 ± 8.618.0 ± 2.0
>5 years 17.9 ± 2.39.4 ± 6.04.9 ± 3.345.8 ± 5.516.1 ± 1.2
0.040.180.130.510.03

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