Table 3 Body composition in patients with PsO and PsA according to disease activity
|  | PsO/A active (n = 19) | PsO/A inactive (n = 11) | P-value | Total PsO/A (n = 30) | Controls (n = 30) | P-value |
|---|---|---|---|---|---|---|
BodPod | ||||||
 Body mass (kg) |  |  |  |  |  |  |
  Mean (SD) | 87.64 (19.89) | 74.50 (17.69) |  0.046* | 82.99 (19.80) | 73.9 (20.14) | 0.328* |
  Median (IQR) | 87.3 (28.8) | 77.8 (36.8) |  | 83.35 (28.6) | 73.9 (29.5) |  |
 Body fat % |  |  |  |  |  |  |
  Mean (SD) | 35.71 (12.33) | 38.95 (10.04) |  0.233* | 36.85 (11.47) | 36.99 (13.37) | 0.965* |
  Median (IQR) | 37.4 (13.7) | 41.5 (14.6) |  | 37.85 (13.6) | 40.85 (21.9) |  |
 Fat mass (kg) |  |  |  |  |  |  |
  Mean (SD) | 33.23 (15.57) | 32.47 (14.24) |  0.448* | 32.95 (14.85) | 31.14 (16.52) | 0.329* |
  Median (IQR) | 35 (21.1) | 29.6 (15.1) |  | 31.4 (15.1) | 28.2 (25.5) |  |
 Fat-free mass (kg) |  |  |  |  |  |  |
  Mean (SD) | 54.38 (11.90) | 48.3 (9.01) |  0.077* | 52.15 (11.17) | 49.3 (10.71) | 0.822* |
  Median (IQR) | 52.8 (17.4) | 44.9 (13.4) |  | 50.2 (18.8) | 47.65 (12.6) |  |
MRI | ||||||
 WB volume |  |  |  |  |  |  |
  Mean (SD) | 21,824.11 (5025.65) | 20,113.48 (3946.38) |  0.180* | 21,371.85 (4730.87) | 20,113.49 (3946.38) | 0.107* |
  Median (IQR) | 22,259.19 (7699.27) | 21,082.53 (4856.21) |  | 22,259.19 (6308.91) | 21,082.53 (4856.21) |  |
 WB SAT |  |  |  |  |  |  |
  Mean (SD) | 6291.76 (2774.51) | 5885.37 (1986.09) |  0.342* | 6133.47 (2502.11) | 5885.37 (1986.09) | 0.283* |
  Median (IQR) | 6794.84 (3833.69) | 5441.88 (2453.08) |  | 6533.14 (3175.75) | 5441.88 (2453.08) |  |
 WB VAT |  |  |  |  |  |  |
  Mean (SD) | 1211.27 (771.34) | 1131.46 (679.27) |  0.393* | 1202.45 (761.99) | 1131.46 (679.27) | < 0.001* |
  Median (IQR) | 1237.96 (1559.67) | 1147.13 (879.19) |  | 1202.82 (1142.86) | 1147.13 (879.19) |  |
 WB VAT/AAT |  |  |  |  |  |  |
  Mean (SD) | 0.23 (0.18) | 0.19 (0.13) |  0.296* | 0.16 (0.11) | 0.08 (0.06) | < 0.001* |
  Median (IQR) | 0.18 (0.22) | 0.19 (0.21) |  | 0.15 (0.17) | 0.06 (0.08) |  |
 WB VAT/SAT |  |  |  |  |  |  |
  Mean (SD) | 0.22 (0.18) | 0.19 (0.13) |  0.296* | 0.22 (0.17) | 0.19 (0.13) | < 0.001* |
  Median (IQR) | 0.18 (0.22) | 0.18 (0.21) |  | 0.18 (0.24) | 0.18 (0.21) |  |