Number

(%)

Clinical signs

Chest pain

5

(10.4)

Back pain

44

(91.6)

cervical

2

(4.1)

thoracolumbar

4

(8.3)

lumbar

19

(39.5)

Cervical and lumbar

3

(6.2)

Cervico-thoraco-lumbar

16

(33.3)

Major painful joints

37

(77)

hip

21

(43.7)

knee

16

(33.3)

Buttocks pain

5

(10.4)

Talalgy

16

(33.3)

Achilles tendon

15

(31.2)

plantar

1

(2)

Eye damage

5

(10.4)

Uveitis

4

(8.3)

conjunctivitis

1

(2)

Radiologicalsigns

syndesmophytes

20

(41.6)

coxitis

9

(18.7)

sacroiliitis

Stage 0-1

6

(12.5)

Stage 2

22

(45.8)

Stage 3

12

(25)

Stage 4

8

(16.6)