Table 2: Serological studies performed and most common laboratory findings.

1 2 3 4 5 6
FANA 1:80 + + + + + +
Anti-DNA 178 28 - - 21 -
Anti-Sm - - - - - -
RF 160 180 256 256 143 96
CRP 24 - 48 - - -
C3 - - - - - -
C4 - - - - - -
ESR 75 - - - - -
ACPA - - - - - -
Anti ScL70 - - - - - -
Anti-Jo - - - - - -
CK Total - 890 - - - -
Aldolasa - - - - - -
LDH - - - - - -
Anti RNP 1: 1600 1: 1600 1: 1600 1: 1600 1: 1600 1: 1600
Anti SSA/Ro 67 - - 200 - -
Anti-SSB/La - - - - - -
Leukopenia - + + +
Anemia + - - - -
Neutropenia - - - - - +
Lymphopenia + - - - - -
Thrombocytopenia +
Proteinuria ≥ 500 mg/24 hrs + - - - - -
Hematuria - + - - - -

Note: FANA positive 1:80 with Hep-2000 cell substrate'.

+: Present in the patient; -: Absent in the patient'.

The values presented in the various antibodies are given in IU/ml with the exception of Anti RNP shown in dilutions however it corresponds to the values per ELISA given in IU/ml.