Table 1 Baseline patient characteristics/potential predictors (n = 126)

Gender, n

Females 95

Males 31

Mean (SD) age, years

54.9 (12.6)

Mean (SD) BMI, kg/m²

25.5 (4.2)

Median (IQR) disease duration, years

3.5 (1.0;10.0)

Median (IQR) swollen foot joint count, 0-18

0.0 (0.0;3.0)

Structural Index

   Median (IQR) forefoot score, 0-12

1.0 (0.0;3.0)

   Median (IQR) rearfoot score, 0-7

1.0 (0.0;1.0)

Mean (SD) peak pressure forefoot, N/cm²

46.8 (17.2)