From: Natural history of alpha mannosidosis a longitudinal study
 |  | N | Mean | Std. | Min | Max |
---|---|---|---|---|---|---|
Age 0 - < 18 years | ||||||
Distance (m) | ||||||
 | Baseline | 19 | 341.1 | 104.9 | 60.0 | 470.0 |
 | 12 Months | 19 | 340.0 | 106.3 | 182.3 | 540.0 |
 | 18 Months | 10 | 331.6 | 128.9 | 94.0 | 478.0 |
 | 24 Months | 13 | 393.2 | 142.3 | 164.0 | 770.0 |
Age ≥ 18 years | ||||||
Distance (m) | ||||||
 | Baseline | 23 | 324.7 | 118.1 | 69.0 | 521.3 |
 | 12 Months | 19 | 325.4 | 139.2 | 64.0 | 573.0 |
 | 18 Months | 6 | 450.5 | 134.2 | 254.0 | 630.0 |
 | 24 Months | 15 | 305.8 | 89.2 | 105.0 | 430.0 |