Table 1

Characteristics of patients in the non-SLE/non-LLD group (n=12) and with lupus-like disease (n=29) and a positive Farr assay (≥6 IU/ml) and/or a positive ELIA dsDNA test (≥19 IU/ml). Bold numbers with titres (IU/ml) correspond with positive test results

Patient numberFarr (IU/ml)ELIA dsDNA test (IU/ml)SexAge (years)Clinic
adsDNA positive indicates a history of a positive anti-dsDNA test.
Non-SLE/non-LLD group
        1 12 95 F34Raynaud, myositis, ANA positive.
During follow up: pericarditis
        2 21 1F79Chronic obstructive pulmonary disease, drug induced hepatitis, ANA negative
        3 10 3F48Myasthenia gravis, ANA negative
        4 9 12F52Sjögren's syndrome, ANA positive
        5 6 1F69Recurrent urinary tract infections, ANA positive
        6 6 2F38Polymyositis, ANA negative
        7 6 2F45Sjögren's syndrome, ANA positive
        82 85 M82Vocal cord paresis, myelodysplastic syndrome, ANA negative
        93 36 F59Reumatoid factor positive, nodular reumatoid arthritis, ANA negative
    101 31 M51Hepatitis B related liver cirrhosis, ANA negative
    112 27 F50Recent bacterial endocarditis and aortic valve replacement, ANA negative
    123 19 M79Complex neurological picture with multisystem atrophy, idiopathic myelopathy. Prostate cancer. ANA negative
Lupus-like disease:
    13 1223 292 F52Thrombocytopenia, arthralgia, autoimmune hepatitis, adsDNA and ANA positive.
    14 132 33 F27Arthritis, adsDNA and ANA positive.
    15 129 82 F33Arthritis, Sjögren's syndrome, adsDNA and ANA positive.
    16 105 117 F13Serositis, arthralgia, Raynaud, vitiligo, adsDNA and ANA positive.
    17 36 45 M46Thrombocytopenia, tendinitis, adsDNA and ANA positive
    18 19 38 F40Serositis, adsDNA and ANA positive
    19 11 28 F17Arthritis, adsDNA and ANA positive
    20 10 42 F16Leuco- and thrombocytopenia, arthralgia, adsDNA and ANA positive.
    21 9 21 F19Seronegative rheumatoid arthritis, ANA positive
    22 7 24 F46Arthritis, antiphospholipid syndrome, ANA positive
    23 6 24 F34CDLE, antiphospholipid syndrome, ANA positive
    24 137 13F22Arthritis, myositis, Raynaud, adsDNA and ANA positive.
    25 92 15F26Arthritis, adsDNA and ANA positive
    26 76 3M7Arthritis, adsDNA and ANA-positive
During follow up: mild haemolysis
    27 53 14F54Arthritis, adsDNA and ANA-positive
    28 46 3F37Chronic intermittent isolated microscopic haematuria, arthralgia, adsDNA and ANA-positive
    29 44 15F39Arthritis, antiphospholipid syndrome, adsDNA and ANA positive
    30 41 7F44Malar rash, arthralgia, Sjögren's syndrome, adsDNA and ANA positive
    31 26 7F56Serositis, arthralgia, Raynaud, adsDNA and ANA positive
    32 23 13F29Oral ulcers, arthralgia, adsDNA and ANA positive
    33 20 3F55Chronic discoid lupus, myasthenia gravis, adsDNA and ANA positive
    34 19 2F46Arthritis, adsDNA and ANA positive
    35 10 2F15Autoimmune haemolytic anaemia, adsDNA and ANA positive
    36 9 3F15Arthritis, Raynaud, adsDNA and ANA positive
    37 6 9F48Arthritis, ANA positive
    384 91 F53Chronic discoid lupus, ANA negative
    394 26 M37Arthritis, ANA-positive
    403 19 F34Thrombocytopenia, antiphospholipid syndrome, ANA positive
    413 19 F38Arthritis, serositis, Raynaud, ANA negative