Table 1.

Mean age (years; range) at the appearance of IA-2 antibodies and IA-2/IA-2β antibody epitope and isotype-specific responses in 15 progressors and 30 nonprogressors.

	Progressors (n = 15)	Non-progressors (n = 30)	P-value
IA-2 Ab	1·90 (1·0–4·7) (n = 15)	2·37 (1·0–4·8) (n = 30)	0·17
sIA-2β PTP Ab	1·60 (1·0–2·0) (n =4)	3·00 (1·2–6·0) (n = 10)	0·03
IgG1-IA-2 Ab	1·90 (1·0–4·5) (n = 15)	2·34 (1·0–4·8) (n = 30)	0·20
crIA-2PTP/βPTP Ab	1·93 (1·0–4·7) (n = 13)	2·37 (1·0–4·8) (n = 28)	0·21
IA-2 JM Ab	1·97 (1·0–4·0) (n =9)	2·84 (1·0–4·5) (n = 12)	0·08
sIA-2 PTP Ab	2·20 (1·3–4·7) (n = 12)	2·30 (1·0–4·8) (n = 23)	0·81
IgG2-IA-2 Ab	2·31 (1·3–5·0) (n = 12)	3·02 (1·3–5·8) (n = 23)	0·10
IgG3-IA-2 Ab	2·41 (1·3–5·7) (n = 11)	2·58 (1·3–4·8) (n = 20)	0·72
IgG4-IA-2 Ab	2·55 (1·2–4·7) (n = 11)	3·17 (1·3–6·0) (n = 18)	0·19
IgA-IA-2 Ab	2·84 (1·8–5·5) (n =7)	2·97 (1·2–5·4) (n = 22)	0·81
IgE-IA-2 Ab	2·94 (1·8–4·7) (n =4)	2·95 (1·3–4·8) (n = 21)	0·97
IgM-IA-2 Ab	2·95 (1·7–5·2) (n =4)	3·02 (1·6–6·0) (n = 18)	0·93