Table 1.
Demographic, clinical variables, and comparison of brain tumor and matched control participants.
| Variables | BT participants (n = 44) | Control participants (n = 44) | Statistical difference |
|---|---|---|---|
| N (%), M (SD), range | N (%), M (SD), range | ||
| Age (years) | 45.57 (11.72) | 44.45 (12.96), | t = 0.42, |
| 21–71 | 26–71 | p = 0.67 | |
| 20–35 | 11 (25.0%) | 12 (27.3%) | |
| 36–55 | 24 (54.5%) | 21 (47.7%) | |
| 56–75 | 9 (20.5%) | 11 (25%) | |
| Gender | |||
| Male | 19 (43.2%) | 18 (40.9%) | χ2 = 0.047, p = 0.83 |
| Female | 25 (56.8%) | 26 (59.1%) | |
| Education (years) | 12.84 (2.77), | 12.61 (2.56), | t = 0.41, |
| 7–19 | 9–20 | p = 0.68 | |
| 7–10 years | 11 (25.0%) | 8 (18.2%) | |
| 11–12 years | 14 (31.8%) | 18 (40.9%) | |
| >12 years | 19 (43.2%) | 18 (40.9%) | |
| Estimated IQ | 103.27 (7.97) | 105.16 (6.67) | t = −1.20, p = 0.23 |
| Range | 88–119 | 90–116 | |
| >110 | 7 (15.9%) | 11 (25%) | |
| 90–110 | 34 (77.3%) | 33 (75%) | |
| <90 | 3 (6.8%) | 0 | |
| Time since diagnosis | 4.26 (5.05), | ||
| 0.13–22 | |||
| 0–5 years | 31 (70.5%) | ||
| 6–10 years | 7 (15.9%) | ||
| >10 years | 6 (13.6%) | ||
| Histology | |||
| Malignant | 19 (43.2%) | ||
| Benign or low grade | 25 (56.8%) | ||
| Hemisphere | |||
| Left | 15 (34.1%) | ||
| Right | 16 (36.4%) | ||
| Bilateral/other | 13 (29.5%) | ||
| Location | |||
| Frontal | 24 (54.5%) | ||
| Temporal | 3 (6.8%) | ||
| Parieto-occipital | 2 (4.5%) | ||
| Brain stem/ventricle | 5 (11.4%) | ||
| Other | 10 (22.7%) |