Table 1 Course of disease: clinically and radiologically identified lesions located in all body regions

Clinical lesions

2.1

0.8

0.6

0.5

1.0

   Mean

   Absolute number

79

27^a

21^a

19^a

184

   Head

1 (1.3)

1 (3.7)

1 (4.8)

1 (5.3)

4 (2.7)

   Extremities

38 (48.1)

15^a (55.6)

14^a (66.7)

10^a (52.6)

77 (53.3)

   Thorax

15 (19.0)

6^a (22.2)

2^a (9.5)

4^a (21.1)

27 (19.6)

   Spine

7 (8.9)

1^a (3.7)

2^a (9.5)

1^a (5.3)

11 (6.5)

   Pelvis

18 (22.8)

4^a (14.8)

2^a (9.5)

3^a (15.8)

27 (17.9)

Radiological lesions

   Mean

5.0

3.7

2.5

2.2

3.4

   Absolute number

184

121

89^a

81^a

475

   Head

1 (0.5)

1 (0.8)

1 (1.1)

1 (1.2)

4 (0.8)

   Extremities

91 (49.5)

78 (64.5)

66 (74.1)

63 (77.7)

298 (62.7)

   Thorax

19 (10.3)

11 (9.1)

10 (11.2)

6^a (7.4)

46 (9.7)

   Spine

27 (14.7)

9 (7.4)

2^a (2.2)

2^a (2.5)

40 (8.4)

   Pelvis

46 (25.0)

22 (18.2)

10^a (11.2)

9^a (11.1)

87 (18.3)