Table 1 Characteristics of age at diagnosis in the sex and the cerebral lobes
Variable | Number | Age at diagnosis | |||
|---|---|---|---|---|---|
Range | Mean ± SD | Median | Quartile(Q1–Q3) | ||
Sex | |||||
 Male | 35,690 (57.57%) | 18–101 | 62.36 ± 13.60 | 63 | 54–72 |
 Female | 26,307 (42.43%) | 18–101 | 64.50 ± 13.72 | 66 | 56–75 |
Primary site—labeled | |||||
 Frontal lobe | 15,941 (29.07%) | 18–99 | 63.75 ± 13.56 | 65 | 55–74 |
 Temporal lobe | 14,562 (26.57%) | 18–101 | 63.69 ± 13.70 | 65 | 55–74 |
 Parietal lobe | 10,035 (18.30%) | 18–98 | 62.93 ± 13.87 | 64 | 54–73 |
 Occipital lobe | 2557 (4.66%) | 18–98 | 63.57 ± 13.85 | 64 | 55–74 |
 Ventricle, NOS | 282 (0.51%) | 18–96 | 63.15 ± 13.76 | 64 | 56–73 |
 Cerebellum, NOS | 442 (0.81%) | 20–94 | 63.01 ± 13.50 | 64 | 54–72 |
 Brain stem | 397 (0.72%) | 20–94 | 61.89 ± 14.17 | 63 | 54–72 |
 Overlapping lesion of brain | 10,618 (19.36%) | 18–101 | 62.20 ± 13.66 | 64 | 54–72 |