Diagnostic Delay in Coeliac Disease: A Survey among Danish Patients

Table 4

Self-reported diagnostic delay in a Danish population of patients with coeliac disease.

	Patients’ diagnostic delay	Doctors’ diagnostic delay	Total diagnostic delay
Mean diagnostic delay (SD)	1.8 years (5.0)	4.0 years (8.0)	5.8 years (9.5)
Diagnostic delay of more than 3 years (%)	14.5%	26.3%	37.9%
Diagnostic delay of more than 10 years (%)	5.3%	12.4%	18.6%
	Mean years (SD)	Mean years (SD)	Mean years (SD)
Year of diagnosis
1945–1959 (n = 6)	0.1 (0.3)	0.3 (0.4)	0.5 (0.5)
1960–1979 (n = 23)	1.0 (2.6)	2.2 (4.7)	3.2 (5.6)
1980–1999 (n = 113)	1.9 (5.6)	5.7 (10.2)	7.6 (11.4)
2000–2021 (n = 1097)	1.8 (5.0)	3.8 (7.8)	5.7 (9.4)
Age at diagnosis for the 1097 participants diagnosed during the years 2000–2021^†
0–9 years (n = 191)	0.4 (1.0)	1.1 (1.5)	1.6 (1.8)
10–19 years (n = 134)	1.4 (2.8)	2.0 (3.3)	3.5 (4.1)
20–39 years (n = 311)	1.9 (4.2)	3.4 (6.3)	5.3 (7.3)
40–59 years (n = 330)	2.8 (7.4)	6.1 (10.3)	8.9 (12.6)
60–79 years (n = 97)	1.2 (3.2)	5.8 (12.2)	7.1 (12.7)

^†34 participants missing age at diagnosis. SD: standard derivation.