Table 3.
Body compositions at baseline and 12 months for the patients with PsA and the controls
| PsA group | Within-group difference p-value |
Control group | Within-group difference p-value |
Between-group difference p-value |
||||
|---|---|---|---|---|---|---|---|---|
|
BL (n = 41) |
M12 (n = 39) |
BL-M12 |
BL (n = 42) |
M12 (n = 39) |
BL-M12 | BL | M12 | |
| Body weight, kg |
106.3 (95.8; 113.6) |
87.5 (80.6; 95.5) |
< 0.001 |
107.0 (97.0; 122.2) |
87.6 (78.2; 97.5) |
< 0.001 | 0.313 | 0.730 |
| BMI, kg/m2 |
35.2 (34.1; 38.1) |
30.5 (28.0; 32.9) |
< 0.001 |
38.5 (36.9; 41.7) |
32.6 (30.3; 34.8) |
< 0.001 | < 0.001 | 0.021 |
| WC, cm |
116.0 (112.0; 122.0) |
97.5 (90.0; 105.0) |
< 0.001 |
117.0 (107.0; 126.5) |
100.0 (92.0; 109.0) |
< 0.001 | 0.680 | 0.572 |
| Tot fat mass, kg |
48.5 (41.7; 56.7) |
33.9 (25.9; 40.5) |
< 0.001 |
50.7 (46.2; 59.2) |
36.8 (27.8; 39.5) |
< 0.001 | 0.041 | 0.880 |
| Tot lean mass, kg |
51.9 (45.9; 61.8) |
48.3 (43.6; 58.3) |
< 0.001 |
49.7 (46.9; 58.6) |
45.6 (44.5; 57.9) |
< 0.001 | 0.905 | 0.880 |
| Lean mass arm, kg |
2.8 (2.5; 3.9) |
2.5 (2.1; 3.4) |
< 0.001 |
2.6 (2.4; 3.3) |
2.6 (2.2; 3.4) |
< 0.001 | 0.542 | 0.651 |
| Lean mass leg, kg |
8.9 (8.0; 10.9) |
8.4 (7.2; 9.8) |
< 0.001 |
9.1 (8.5; 10.4) |
8.1 (7.7; 9.8) |
< 0.001 | 0.489 | 0.930 |
For continuous variables, median (IQR) per participant is presented. BMI, body mass index; WC, waist circumference. Missing values at 12 months: control group DXA (n = 19)