ENAH and Autoimmunity: Finally, 62 patients (76.5%) had abnormal autoimmunity tests, specifically antinuclear antibodies (ANA) were positive in 50 (61.7%) patients, anti-extractable nuclear antigen (ENA) in 21 (25.9%), rheumatoid factor in 17 (21.0), anti-neutrophil cytoplasmic antibodies (ANCA) in 9 (11.1%), anti-citrullinated protein antibodies (ACPA) in 6 (7.4%) and anti-double stranded DNA (dsDNA) in 2 (2.5%).