Table 1.

Patient characteristics

Mean (SD) age in years	43 (15)
Number (%) of females	205 (69)
Mean (SD) height in centimetres	169 (11)
Mean (SD) body mass in kilogrammes	79 (19)
Mean (SD) body mass index	28 (13)
Number (%) of White, not Hispanic or Latino	277 (94)
Median (interquartile range) age in years at diagnosis of CD	35 (25–46)
Median (interquartile range) years from coeliac diagnosis	6 (3–10)
Number (%) of negative for both CD-specific serologies†	241 (82)
Number (%) of positive for both CD-specific serologies†	5 (2)
Number (%) of IgA deficient (< 7 mg/dl)	2 (1)
Number (%) of positive for HLA-DQ2.5 genotype	266 (90)
Number (%) of negative for HLA-DQ2.5 genotype	29 (10)
Number (%) of recruited in the USA	126 (43)
Number (%) of recruited in Australia	123 (42)
Number (%) of recruited in New Zealand	46 (16)

^†QUANTA Lite® R h-tTG IgA (normal range 3 U/ml or less) and gliadin IgG II (DGP), INOVA Diagnostics (normal range 19 U or less)