Table 4.
Correlation between tumor side/area and tumor volume (ml).
| Tumor side | Right hemisphere n = 165 | Left hemisphere n = 168 | Total n = 333 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tumor area |
Tumor volume
(ml)* |
p-value | AUC | Threshold (ml) |
Tumor volume
(ml)* |
p-value | AUC | Threshold (ml) |
Tumor volume
(ml)* |
p-value | AUC | Threshold (ml) | |||
|
Asymptomatic group
n = 124 |
Symptomatic group
n = 41 |
Asymptomatic group
n = 126 |
Symptomatic group
n = 42 |
Asymptomatic group
n = 250 |
Symptomatic group
n = 83 |
||||||||||
| Frontal n = 100 |
4.3 (0.2–148) |
82.9 (8.7–131.1) |
0.002 | 0.901 (0.797–1) |
17.6 | 5.0 (0.2–129.7) |
53.5 (13.4–114.8) |
<0.001 | 0.918 (0.846–0.990) |
22.7 | 4.8 (0.2–148) |
53.5 (8.7–131.1) |
<0.001 | 0.907 (0.847–0.966) |
17.6 |
| Middle n = 174 |
4.9 (0.1–89.6) |
47.9 (6.0–188.9) |
<0.001 | 0.947 (0.900–0.993) |
21.9 | 6.7 (0.3–37.0) |
49.2 (2.8–151.6) |
<0.001 | 0.898 (0.815–0.981) |
23.4 | 5.6 (0.1–89.6) |
47.9 (2.8–188.9) |
<0.001 | 0.930 (0.887–0.973) |
21.9 |
| Occipital n = 59 |
4.1 (0.7–63.6) |
55.0 (7.9–180.0) |
<0.001 | 0.940 (0.848–1) |
21.1 | 3.6 (0.6–35.3) |
22.7 (7.7–158.1) |
<0.001 | 0.917 (0.815–1) |
12.6 | 3.9 (0.6–63.6) |
36.0 (7.7–180.0) |
<0.001 | 0.925 (0.858–0.993) |
12.6 |
| Total n = 333 |
4.6 (0.1–148.0) |
47.9 (6.0–188.9) |
<0.001 | 0.928 (0.887–0.968) |
21.1 | 5.5 (0.2–129.7) |
45.2 (2.8–158.1) |
<0.001 | 0.907 (0.857–0.957) |
22.7 | 5.0 (0.1–148.0) |
45.7 (2.8–188.9) |
<0.001 | 0.919 (0.887–0.951) |
21.1 |
| p-value | 0.969 | 0.859 | – | – | – | 0.489 | 0.504 | – | – | – | 0.775 | 0.976 | – | – | – |
*
Median (range).
AUC, Area under the curve; CI, confidence interval.