Table 1.
MS subtype and average follow-up duration stratified by age group The highest value in each subtype is highlighted
| Age group categories | MS subtypes, n (total %, subtype %) | Mean follow-up duration, years [95% CI] | ||
|---|---|---|---|---|
| PPMS | RRMS | SPMS | ||
| 20–24 | 0 (0, 0) | 3 (1.49, 100) | 0 (0, 0) | 4.67 [0.0–12.80] |
| 25–29 | 0 (0, 0) | 9 (4.46, 100) | 0 (0, 0) | 4.33 [0.0–12.46] |
| 30–34 | 0 (0, 0) | 8 (3.96, 100) | 0 (0, 0) | 7.13 [2.40–11.85] |
| 35–39 | 0 (0, 0) | 20 (9.90, 100) | 0 (0, 0) | 6.05 [0.69–11.41] |
| 40–44 | 0 (0, 0) | 22 (10.89, 95.65) | 1 (0.50, 4.35) | 8.52 [4.25–12.79] |
| 45–49 | 1 (0.50, 3.23) | 28 (13.86, 90.32) | 2 (0.99, 6.45) | 12.35 [9.11–15.60] |
| 50–54 | 2 (0.99, 5.88) | 30 (14.85, 88.24) | 2 (0.99, 5.88) | 12.94 [9.69–16.19] |
| 55–59 | 0 (0, 0) | 22 (10.89, 91.67) | 2 (0.99, 8.33) | 15.46 [12.63–18.29] |
| 60–64 | 0 (0, 0) | 20 (9.90, 95.24) | 1 (0.50, 4.76) | 16.19 [13.47–18.91] |
| 65–69 | 3 (1.49, 10.34) | 10 (4.95, 34.48) | 16 (7.92, 55.17) | 18.34 [15.80–20.89] |
| Total | 6 (2.97, 2.97) | 172 (85.15, 85.14) | 24 (11.88, 11.88) | 12.34 [11.09–13.59] |
The highest value in each subtype is highlighted. CI, confidence interval.