Clinical and laboratory information of anti-Ku-positive patients with various connective tissue diseases
| Case | Age | Sex | Diagnosis | Serum CK | Cancer | ILD | Nephritis | Arthralgia | Lupus rash | Hypo C. | Raynaud | ssDNA | dsDNA | Other autoantibody |
| 1 | 70 | F | PM+SSc+SS | 2095 | – | + | – | – | – | + | + | + | – | PL-7 |
| 2 | 14 | F | PM+SSc | 3682 | – | – | – | + | – | – | NA | + | + | – |
| 3 | 80 | F | PM | 2710 | – | + | – | – | – | – | – | – | – | – |
| 4 | 76 | F | PM | 2263 | – | + | – | + | – | – | NA | + | + | SRP |
| 5 | 20 | F | DM | 1263 | – | – | – | + | – | NA | – | + | + | – |
| 6 | 35 | F | MCTD→SSc | 261 | Lung | + | – | – | – | – | + | + | + | U1RNP |
| 7 | 17 | F | SLE→SSc | 31 | – | – | + | – | + | + | + | + | – | U1RNP ACA |
| 8 | 44 | F | SLE | 105 | – | + | + | + | + | + | + | + | – | U1RNP |
| 9 | 25 | M | SLE | 111 | – | – | + | + | + | + | – | + | – | SSA |
| 10 | 52 | F | UCTD | 180 | – | + | – | + | – | – | – | + | – | P-ANCA |
ACA, anti-centromere antibody; ANCA, anti-neutrophil cytoplasmic antibody; Hypo C., hypocomplementemia; CK, creatine kinase (U/l); DM, dermatomyositis; ILD, interstitial lung disease; MCTD, mixed connective tissue disease; NA, information not available; PM, polymyositis; SS, Sjögren’s syndrome; SSc, systemic sclerosis; UCTD, undifferentiated connective tissue disease.