TABLE 5.
Short-term complications and associated descriptive variables
| Total | Complications | p Value | ||
|---|---|---|---|---|
| No | Yes | |||
| No. of patients | 86 | 63 | 23 | |
| Mean age at op, yrs | 12.2 ± 4.5 | 11.6 ± 4.5 | 14.0 ± 4.2 | 0.026 * |
| Sex | 0.780† | |||
| Female | 39 (45.3) | 28 (44.4) | 11 (47.8) | |
| Male | 47 (54.7) | 35 (55.6) | 12 (52.2) | |
| Compartment | 0.948†‡ | |||
| Cerebellar | 14 (16.3) | 10 (15.9) | 4 (17.4) | |
| Deep | 39 (45.3) | 28 (44.4) | 11 (47.8) | |
| Lobar | 33 (38.4) | 25 (39.7) | 8 (34.8) | |
| Tumor grade | >0.99†‡ | |||
| High (III or IV) | 10 (11.6) | 7 (11.1) | 3 (13.0) | |
| Low (I or II) | 76 (88.4) | 56 (88.9) | 20 (87.0) | |
| Mean pre-SLA tumor vol, cm3 | 8.0 ± 14.0 | 8.1 ± 15.4 | 7.7 ± 8.8 | 0.907* |
| Mean treated lesion vol, cm3 | 8.2 ± 9.1 | 6.7 ± 7.7 | 12.6 ± 11.4 | 0.009 * |
| No. of laser trajectories | 0.277†‡ | |||
| 1 | 70 (81.4) | 51 (81.0) | 19 (82.6) | |
| 2 | 15 (17.4) | 12 (19.0) | 3 (13.0) | |
| 3 | 1 (1.2) | 0 (0.0) | 1 (4.3) | |
| Mean no. of lesions created | 2.3 ± 1.8 | 2.3 ± 1.9 | 2.0 ± 1.6 | 0.432* |
| Preop steroid use | 0.029 † ‡ | |||
| No | 70 (81.4) | 55 (87.3) | 15 (65.2) | |
| Yes | 16 (18.6) | 8 (12.7) | 8 (34.8) | |
| Steroid use on day of op | 86 (100.0) | 63 (100.0) | 23 (100.0) | NA |
| Planned routine postop steroid use | >0.99†‡ | |||
| No | 6 (7.0) | 4 (6.3) | 2 (8.7) | |
| Yes | 80 (93.0) | 59 (93.7) | 21 (91.3) | |
Short-term complications = those occurring within 30 days from surgery. Boldface type indicates statistical significance.
*
t-test.
†
Chi-square test.
‡
Exact test.