Table 2.

Results of PD-1 MFI ratio and percentage of PD-1 expression on T cells in flow cytometry analysis with TED (n = 16) and control (n = 7) patients.

	TED	Control	Remarks
MFI
CD4+ T cells	1.23 ± 0.09	1.24 ± 0.16	P = 0.97
Foxp3high CD45RA- of CD4+ T cells	2.01 ± 0.51	1.49 ± 0.24	P = 0.004
CD127- CD25+ of CD4+ T cells (Tregs)	1.65 ± 0.27	1.35 ± 0.10	P = 0.001
CD8+ T cells	1.17 ± 0.11	1.16 ± 0.17	P = 0.93
PD-1 expression (%)
CD4+ T cells	12.89 ± 4.49	6.02 ± 2.17	P < 0.001
Foxp3high CD45- T cells	28.03 ± 13.95	12.47 ± 4.99	P = 0.001
CD8+ T cells	17.89 ± 10.68	11.07 ± 5.82	P = 0.09

TED, thyroid eye disease.

MFI, mean fluorescence intensity.

Italics indicate items for which significant differences were found.