Table 1.
Characteristics of study participants
| All-cause cases (N = 89) | CNS cases (N = 43) | Controls (N = 136) | Pc | Pd | |
|---|---|---|---|---|---|
| Sexa, n (frequency) | |||||
| male | 43 (0.48) | 26 (0.60) | 84 (0.62) | 0.064 | 0.978 |
| female | 46 (0.52) | 17 (0.40) | 52 (0.38) | ||
| Age (years), mean ± SDb | 41.1 ± 11.4 | 40.9 ± 11.9 | 40.5 ± 10.3 | 0.840 | 0.940 |
| Genetic ancestry (%), mean ± SDb | |||||
| European | 48 ± 28 | 41 ± 27 | 51 ± 29 | 0.540 | 0.071 |
| African | 40 ± 26 | 45 ± 28 | 36 ± 28 | 0.400 | 0.110 |
| Native American | 12 ± 14 | 14 ± 16 | 13 ± 14 | 0.640 | 0.950 |
a
Comparisons were performed using the χ2 test.
b
Comparisons were performed using the Wilcoxon rank sum test.
c
P value based on all-cause cases versus controls.
d
P value based on CNS cases versus controls.