Table 1. Patient characteristics (type of treatment and total population).
| Characteristics | Surgery & Proton | Surgery only | pa | All patients |
|---|---|---|---|---|
| Number of patients | 23 (49) | 24 (51) | - | 47 (100) |
| Sex | ||||
| Male | 13 (57) | 10 (41) | .30 | 23 (49) |
| Female | 10 (43) | 14 (59) | 24 (51) | |
| Age (years) | 42 (12–69) | 52 (10–85) | .09 | 47 (10–85) |
| Anatomical Localisation | ||||
| Anterior skull base | 1 (4) | 12 (50) | .02 | 13 (28) |
| Petroclival | 22 (96) | 12 (50) | 34 (72) | |
| Symptoms | ||||
| Diplopia | 13 (57) | 7 (29) | .06 | 20 (43) |
| Headache | 8 (35) | 4 (17) | .15 | 12 (26) |
| Nasal Obstruction | 1 (4) | 7 (29) | .02 | 8 (17) |
| ICA abutment | 17 (74) | 10 (42) | .03 | 27 (57) |
| Tumour Size (mm) | 33 (19–67) | 39 (15–70) | .35 | 36 (15–70) |
| Surgical approach | ||||
| Pterional | 5 (22) | 5 (21) | .94 | 10 (21) |
| Transcochlear | 0 (0) | 2 (8) | .16 | 2 (4) |
| Infratemporal fossa | 3 (13) | 0 (0) | .07 | 3 (6) |
| Retrosigmoid | 1 (4) | 5 (21) | .09 | 6 (13) |
| Lateral rhinotomy | 1 (4) | 6 (25) | .05 | 7 (15) |
| Endonasalb | 12 (52) | 12 (50) | 0.88 | 24 (51) |
| Extent of Resection | ||||
| Gross Total | 3 (13) | 13 (54) | .003 | 16 (34) |
| Partial | 20 (87) | 11 (46) | 31 (66) |
Results are shown either by Number (proportion) or Mean (range). ICA Internal Carotid Artery.
a Statistical significance comparing Surgery&Proton vs Surgery only treatments, using chi-squared test for proportions and Mann-Whitney test for mean.
b Expanded endonasal approach.