Table 1.

Characteristics of anti-Jo-1-positive patients with antisynthetase syndrome.

Patient	Sex/Age	Followup, yrs	ILD	Myositis	RA-like Arthritis	Joint Erosions	Anti-ENA	Anti-CCP, IU/ml	RF, IU/ml
1	M 78	4	Yes	Yes	Yes	No	Jo-1/Ro	Neg	Neg
2	M 57	5	Yes	No	No	No	Jo-1	Neg	Neg
3	F 74	3	Yes	Yes	Yes	No	Jo-1	Neg	Neg
4	F 78	6	Yes	No	Yes	No	Jo-1/Ro	Neg	42
5	M 73	4	Yes	No	Yes	No	Jo-1/Ro	Neg	Neg
6	F 78	7	Yes	Yes	Yes	No	Jo-1	Neg	Neg
7	M 46	3	Yes	Yes	Yes	Yes	Jo-1/Ro	14	29
8	F 56	9	Yes	Yes	Yes	No	Jo-1/Ro	Neg	Neg
9	F 78	5	Yes	Yes	Yes	No	Jo-1	Neg	Neg
10	F 63	11	Yes	Yes	Yes	No	Jo-1/Ro	Neg	Neg
11	F 57	10	Yes	No	Yes	No	Jo-1	Neg	Neg
12	F 62	3	Yes	Yes	Yes	Yes	Jo-1	162	78

ILD: interstitial lung disease; RA: rheumatoid arthritis; ENA: extractable nuclear antigen antibodies; CCP: citric citrullinated peptide antibodies; RF: rheumatoid factor.