Table 2.
Population characteristics
| Parkinsonism n=26 |
No parkinsonism n=307 |
p values | |
|---|---|---|---|
| Women, n (%) | 17 (65.4) | 150 (54.9) | 0.11 |
| Age of onset of parkinsonism, y | 61 (42, 66) | - | |
| Age at ascertainment, y | 66.5 (60, 72) | 50(41,65) | 0.0002 |
| Ascertained at age >60, n (%) | 19 (73.1) | 93 (44.9) | <0.001 |
| Ascertained family member with parkinsonism, n (%) | 11 (42.3) | 77(25.1) | 0.056 |
| GBA1 genotype, n (%) | 0.40* | ||
| GDI | 7/81 (8.6) | 74/81 (91.4) | |
| GBA1 heterozygotes | 18/207 (8.7) | 189/207 (91.3) | |
| Wild type | 1/45 (2.2) | 44/45 (97.8) |
Years are reported as medians with interquartile ranges unless otherwise specified
p value is for 3×2 Fisher’s exact test