Table 1.

Prevalence and incidence, n and per 100 000 population (total 1700 orders for 1414 people)

	2008	2009	2010	2011	2012
The University Hospital of North Norway
New out-patient commitment orders, na	56	60	57	49	40
Incidence ratesb	32.3	34.3	32.3	27.5	22.2
Point prevalence, nc	108	118	130	123	109
Point prevalence ratesb	62.3	67.5	73.7	68.9	60.4
Innlandet Hospital Trust
New out-patient commitment orders, na	18	17	24	36	33
Incidence ratesb	5.9	5.5	7.7	11.5	10.4
Point prevalence, nc	39	33	38	52	55
Point prevalence ratesb	12.7	10.7	12.2	16.6	17.4
Sørlandet Hospital Trust
New out-patient commitment orders, na	34	28	12	23	19
Incidence ratesb	42.0	34.1	14.4	27.2	22.2
Point prevalence, nc	39	54	43	47	46
Point prevalence ratesb	48.1	65.7	51.7	55.6	53.6
Helse Bergen Trust
New out-patient commitment orders, na	58	95	86	112	92
Incidence ratesb	19.3	31.0	27.5	35.2	28.4
Point prevalence, nc	94	125	147	162	153
Point prevalence ratesb	31.3	40.8	47.0	50.9	47.2
Akershus University Hospital
New out-patient commitment orders, na	40	35	47	60	44
Incidence ratesb	24.4	21.0	27.8	34.8	25.0
Point prevalence, nc	60	60	75	90	83
Point prevalence ratesb	36.6	36.0	44.3	52.2	47.2
Lovisenberg Hospital
New out-patient commitment orders, na	26	32	52	53	56
Incidence ratesb	27.1	32.0	50.6	50.1	51.1
Point prevalence, nc	69	72	96	100	119
Point prevalence ratesb	72.0	72.0	93.5	94.6	108.5
Total
New out-patient commitment orders, na	232	267	278	333	284
Incidence ratesb	20.7	23.4	24.1	28.4	23.8
Point prevalence, nc	409	462	529	574	565
Point prevalence ratesb	36.5	40.6	45.8	48.9	47.4

^a.New out-patient commitment orders, n = absolute number of orders from 1 Jan to 31 Dec each year.

^b.Rates per 100 000 population (18 years of age and above, 1 January each study year).

^c.Point prevalence, n = absolute number of people at 31 Dec each year.