Table 3.

Comparison between frequency of IGF-IR⁺ lymphocytes from discordant twins without and with GD

	GD twin	Unaffected twin	GD/unaffected ratio	P value
T cell
CD3	32 ± 10	20 ± 7	1.41	0.047
CD4	37 ± 8	23 ± 7	1.61	0.03
CD45RA+	72 ± 9	50 ± 13	1.31	0.03
CD45RO+	15 ± 6	9 ± 5	1.83	0.08
CD8	16 ± 7	9 ± 5	2.48	0.08
CD45RA+	28 ± 12	20 ± 10	1.30	0.22
CD45RO+	5 ± 3	3 ± 2	2.00	0.20
B cell
CD19	18 ± 12	9 ± 5	1.91	0.16

Data are expressed as percentage IGF-IR⁺ (mean ± sd) (n = 7).