Table 5 Age at diagnosis and time from first symptom to diagnosis
From: Multiple sclerosis in the far north - incidence and prevalence in Nordland County, Norway, 1970–2010
Age at onset, year | Time from first symptom to diagnosis, years | |||||
|---|---|---|---|---|---|---|
Years | Mean (SD) | Range | Mean (SD) | Median | Interquartil range | Range |
1970-1974 | 42.2 (8.7) | 30-52 | 7.7 (5.9) | 7 | 11 | 1-16 |
1975-1979 | 38.6 (10.5) | 22-61 | 4.3 (5.3) | 2,5 | 4.75 | 0-19 |
1980-1984 | 38.9 (11.8) | 21-70 | 6.0 (7.9) | 3 | 6 | 0-43 |
1985-1989 | 38.3 (11.1) | 14-64 | 4.2 (5.9) | 2 | 4.5 | 0-20 |
1990-1994 | 36.9 (10.4) | 18-66 | 5.2 (6.5) | 2 | 7 | 0-25 |
1995-1999 | 39.3 (10.0) | 18-69 | 4.9 (5.6) | 2,5 | 6 | 0-28 |
2000-2004 | 40.4 (11.4) | 12-75 | 5.0 (6.1) | 2 | 6 | 0-29 |
2005-2009 | 40.4 (11.0) | 14-71 | 5.0 (6.1) | 3 | 5.5 | 0-32 |