Table 1.
Characteristics of the patients identified with multiple sclerosis (first registration) by year of hospitalizations (2004–2014) in Norway
| Year of hospitalization among MS-patients | ||||||||
|---|---|---|---|---|---|---|---|---|
| 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | Total | |
| N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | |
| Sex | ||||||||
| Male | 572 (25.6) | 398 (17.8) | 330 (14.8) | 283 (12.7) | 247 (11.1) | 202 (9.0) | 204 (9.1) | 2236 (100) |
| Female | 1096 (24.3) | 827 (18.3) | 641 (14.2) | 573 (12.7) | 530 (11.7) | 435 (9.6) | 417 (9.2) | 4519 (100) |
| Year of birth | ||||||||
| 1915–1935 | 135 (41.0) | 70 (21.3) | 44 (13.4) | 33 (10.0) | 19 (5.8) | 17 (5.2) | 11 (3.3) | 329 (100) |
| 1936–1955 | 705 (29.3) | 435 (18.1) | 359 (14.9) | 265 (11.0) | 259 (10.8) | 201 (8.4) | 181 (7.5) | 2405 (100) |
| 1956–1975 | 674 (23.1) | 574 (19.6) | 441 (15.1) | 386 (13.2) | 335 (11.5) | 253 (8.7) | 260 (8.9) | 2923 (100) |
| 1976–1995 | 153 (14.3) | 146 (13.6) | 123 (11.5) | 168 (15.6) | 158 (14.7) | 161 (15.0) | 165 (15.4) | 1074 (100) |
| 1996–2007 | 1 (4.2) | 0 (0.0) | 4 (16.7) | 4 (16.7) | 6 (25.0) | 5 (20.8) | 4 (16.7) | 24 (100) |
| Total | 1688 (24.7) | 1255 (18.1) | 971 (14.4) | 856 (12.7) | 777 (11.5) | 673 (9.4) | 621 (9.2) | 6755 (100) |
An MS patient was defined as having at least one registration of an MS diagnosis registered in specialist care, combined with at least one dispensed MS medication. If lacking information on medication use, at least two registrations of MS diagnoses were required