Results of analysis of single risk factors
| Risk factor | MSD present | MSD absent | p Value |
|---|---|---|---|
| Tumour type: | |||
| Medulloblastoma | 9 | 8 | 0.006 |
| Other tumour type | 3 | 22 | |
| Tumour site: | |||
| Involving cerebellar midline | 12 | 16 | 0.003 |
| Not involving cerebellar midline (lateral) | 0 | 14 | |
| Incision site: | |||
| Vermal incision | 10 | 12 | 0.028 |
| Lateral to vermis | 2 | 18 | |
| Postoperative infection: | |||
| Present | 2 | 3 | 0.613 |
| Absent | 10 | 27 | |
| Size (cm)1-150 | 5.4 (0.87) | 5.4 (1.32) | 0.789 |
| BI before surgery1-150 | 0.267 (0.065) | 0.238 (0.079) | 0.198 |
| BI after surgery1-150 | 0.150 (0.61) | 0.162 (0.074) | 0.562 |
| Mean age (y)1-150 | 7.3 (4.4) | 7.8 (4.12) | 0.764 |
| Sex: | |||
| Boys | 8 | 21 | 1.0 |
| Girls | 4 | 9 | |
↵1-150 Values are mean (SD). BI=bicaudate index.