The Incidence of Diagnosis of Munchausen Syndrome, Other Factitious Disorders, and Malingering

Table 1

Number and age (mean and range) of patients with the diagnosis code F68.1 or Z76.5 in ICD-10 made by Norwegian healthcare providers in the years 2008 to 2016.

		Incidence (number of patients/year/million inhabitants)
Total F68.1		5.3
Males	(58%)	3.1
Age (y)	39 (16–74)
Females	(42%)	2.2
Age (y)	37 (8–84)
Total Z76.5		1.2
Males	(77%)	0.9
Age (y)	33 (18–81)
Females	(23%)	0.3
Age (y)	43 (16–90)

Incidence calculation is based on a total 2012 Norwegian population of 5.0 million.