Diagnostic Delay in Coeliac Disease: A Survey among Danish Patients

Table 1

Characteristics of the study-populations.

	Total study population N = 1,392	Delay study population N = 1,239
Age^† at survey, mean (SD)	42.8 years (21.1)	43.0 years (21.3)
Sex^‡	n (% of 1,392)	n (% of 1,239)
Women	1,087 (78.1%)	971 (78.4%)
Men	303 (21.8%)	266 (21.5%)
Age at diagnosis^§	n (% of 1,339^§)	n (% of 1,200^§)
0–9 years	226 (16.9%)	219 (18.3%)
10–19 years	174 (13.0%)	143 (11.9%)
20–39 years	399 (29.8%)	366 (30.5%)
40–59 years	426 (31.8%)	375 (31.3%)
60–79 years	114 (8.5%)	97 (8.1%)
Year of diagnosis	n (% of 1,382^¶)	n (% of 1,239)
1945–1959	7 (0.5%)	6 (0.5%)
1960–1979	23 (1.7%)	23 (1.9%)
1980–1999	115 (8.3%)	113 (9.1%)
2000–2021	1,237 (88.9%)	1,097 (88.5%)

^†45 participants missing information on age in total population, and 39 participants missing information on age in the delay population. ^‡2 participants missing information on sex. ^§Age in years calculated from year of birth and year of diagnosis. 53 missing age at diagnosis (45 missing year of birth and 10 missing year of diagnosis). For the delay population age calculated by year in differences from date of birth to date of diagnosis, 39 participants missing date of birth. ^¶10 missing year of diagnosis in the total population.