Table 2

Classification B (behaviour) and L (location) (%) at diagnosis and at different time points in the course of the disease (years)

Disease duration (y)
013510152025
(n=297)(n=259)(n=218)(n=187)(n=125)(n=74)(n=47)(n=32)
B173.767.161.052.030.622.219.112.5
B210.813.314.821.232.234.73231.3
B315.519.724.326.837.243.148.856.3
L144.845.646.045.143.344.348.948.4
L226.726.627.025.323.322.920.012.9
L324.223.825.128.030.028.626.735.5
L44.34.01.91.63.34.34.43.2