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Table 3 Comparison of body composition between patients with different outcomes

From: Computed tomography-based multiple body composition parameters predict outcomes in Crohn’s disease

  With adverse outcome Without adverse outcome p value
Demographic data n = 49 n = 73  
Age (years) 33.51 ± 14.54 31.23 ± 10.04 0.308
Sex    0.412
 Male 40 55  
 Female 9 18  
Current smoker    0.583
 Yes 7 8  
 No 42 65  
Locationa    0.258
 L1 16 33  
 L2 14 13  
 L3 19 27  
Disease behavior    0.001
Inflammatory 18 50  
Complicated 31 23  
Duration of disease (years) 1.70 ± 2.51 2.52 ± 3.15 0.128
Body composition and nutritional parameters
C-reactive protein (mg/L)b 48.51 ± 39.70 (n = 42) 39.49 ± 42.41 (n = 65) 0.274
Serum albumin (g/L)b 34.53 ± 6.52 (n = 49) 35.55 ± 6.80 (n = 71) 0.413
Erythrocyte sedimentation rate (mm/h)b 30.93 ± 24.53 (n = 42) 23.94 ± 21.35 (n = 69) 0.117
BMI (kg/m2) 17.61 ± 2.41 18.85 ± 2.78 0.012
SAT area (cm2) 39.18 ± 45.61 62.37 ± 51.44 0.012
VAT area (cm2) 40.08 ± 42.98 57.54 ± 45.59 0.036
SM area (cm2) 112.74 ± 22.56 122.03 ± 27.26 0.051
SAT attenuation (HU) − 65.31 ± 24.83 − 77.27 ± 24.03 0.009
VAT attenuation (HU) − 64.24 ± 13.89 − 69.72 ± 15.45 0.048
SM attenuation (HU) 45.19 ± 8.54 46.06 ± 7.36 0.546
SAI (cm2/m2) 14.35 ± 17.11 22.14 ± 17.99 0.018
VAI (cm2/m2) 14.56 ± 16.06 20.27 ± 15.67 0.053
SMI (cm2/m2) 40.15 ± 6.81 42.93 ± 7.86 0.046
SAIspinal (× 103 cm2/m2) 1.395 ± 1.739 2.097 ± 1.719 0.030
VAIspinal (× 103 cm2/m2) 1.477 ± 1.648 1.967 ± 1.744 0.076
SMIspinal (× 103 cm2/m2) 3.810 ± 7.004 4.052 ± 7.745 0.081
Visceral/subcutaneous fat ratio 8.06 ± 25.98 1.22 ± 0.99 0.026
Visceral/total fat ratio 0.58 ± 0.20 0.50 ± 0.14 0.010
Sarcopenia    0.271
 Yes 37 47  
 No 12 26  
  1. Continuous data are expressed as means ± SDs, p values lower than 0.05 are presented in bold
  2. BMI body mass index
  3. aL1: ileal, L2: colonic, and L3: ileocolonic (Montreal classification)
  4. bPart of patients with missing data on C-reactive protein, serum albumin, and erythrocyte sedimentation rate; SM skeletal muscle, SAT subcutaneous adipose tissue, VAT visceral adipose tissue, SMI SM index, SAI SAT index, VAI VAT index, SMIspinal SM area/lumbar spinal height2, SAIspinal SAT area/lumbar spinal height2, VAIspinal VAT area/lumbar spinal height2