Table 2.

Cases which were initially ANA negative, with the time period to subsequent positivity on prospective and retrospective followup.

Case no.	Diagnosis	App. time to ANA positivity or satisfying ACR criteria
(1)	Immune thrombocytopenia (ITP)	32 months
(2)	Immune thrombocytopenia	22 months
(3)	Immune thrombocytopenia, hypothyroidism	40 months
(4)	Autoimmune hemolytic anemia	7 months
(5)	Autoimmune hemolytic anemia, hepatosplenomegaly, nephrotic syndrome	11 months
(6)	ITP, APLA, severe PAH, high ESR	144 months
(7)	APLA, high ESR	8 months
(8)	Anemia, splenomegaly, Sjogren	6 months
(9)	Secondary Sjogren	4 months
(10)	Thyrotoxicosis, (ITP)	11 months
(11)	Polyarthralgia	8 months
(12)	Polyarthralgia, elevated ESR, anemia	4 months