Review Article
Increased Female MS Incidence and Differences in Gender-Specific Risk in Medium- and High-Risk Regions in Finland from 1981–2010
Table 1
Characteristics of MS cases in Pirkanmaa, Seinäjoki, and Vaasa during the period 1981–2010.
| Number of cases, n (%) | | Total | 1617 | Male | 512 (32) | Female | 1105 (68) | F/M | 2.2 | Diagnosis using Poser, n (%) | | CDMS | 60 (4) | CDMS + paraclinical | 1223 (75) | LSDMS | 75 (5) | LSDMS + paraclinical | 259 (16) | Age, years | | At onset, median | 32 | At the time of diagnosis, median | 37 | Diagnostic delay, years | | Mean | 4.6 | Median | 2.0 | First symptoms by anatomic level, % | | Brainstem/cerebellum | 25 | Visual tract | 22 | Sensory | 22 | Medullary | 19 | Pyramidal tract above medulla | 5 | Other/UN | 4 | Multiple | 3 |
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