Table 1

Prevalence of anti-Ku p70/p80 in patient groups as detected with immunoblot analysis

Diagnosis

Number of patients

Ku p70

Ku p80

Ku p70 only

Ku p80 only

Ku p70 and Ku p80

Ku pXX

None

PM/DM

6

4 (67%)

3 (50%)

2 (33%)

1 (17%)

2 (33%)

1 (17%)

RA

8

7 (88%)

6 (75%)

2 (25%)

1 (13%)

5 (63%)

0 (0)

SLE

13

10 (77%)

11 (84%)

1 (8%)

2 (15%)

9 (69%)

1 (8%)

SS

2

2 (100%)

2 (100%)

0 (0)

0 (0)

2 (100%)

0 (0)

SSc

21

17 (81%)

11(52%)

8 (38%)

2 (10%)

9 (43%)

2 (10%)

UCTD

22

20 (91%)

15 (68%)

6 (27%)

1 (5%)

14 (64%)

1 (5%)

Total

72

60 (83%)

48 (67%)

19 (26%)

7 (10%)

41 (57%)

5 (7%)

Numbers of patients in each group are indicated, followed by the percentage. Ku pXX.none, neither anti-Ku p70 nor anti-Ku p80 present; PM/DM, polymyositis/dermatomyositis; RA, rheumatoid arthritis; SLE, systemic lupus erythematosus; SS, Sjögren syndrome; SSc, systemic sclerosis; UCTD, undifferentiated connective tissue disease.

Lakota et al. Arthritis Research & Therapy 2012 14:R2   doi:10.1186/ar3550