| Characteristic | n (%) | Published, n (%) |
| Number of Abstracts | 754 | 383 (50.8) |
| Presentation type | ||
| Oral presentation | 114 (15.2) | 73 (64.0) |
| Poster presentation | 638 (84.8) | 308 (48.3) |
| Research type | ||
| Clinical science | 601 (79.7) | 88 (57.5) |
| Basic science | 153 (20.3) | 295 (49.1) |
| Subspecialty | ||
| Vascular | 138 (18.3) | 65 (47.1) |
| Neuro-oncology | 184 (24.4) | 115 (62.5) |
| Spine | 151 (20.0) | 64 (42.4) |
| Functional | 61 (8.1) | 31 (50.8) |
| Peripheral nerve | 13 (1.7) | 6 (46.2) |
| Neurotrauma | 39 (5.2) | 21 (53.8) |
| Pediatrics | 37 (4.9) | 21 (56.8) |
| Radiosurgery | 26 (3.4) | 17 (65.4) |
| General | 105 (13.9) | 43 (41.0) |
| Country of Origin | ||
| United States | 534 (70.8) | 274 (51.3) |
| Canada | 31 (4.1) | 19 (61.3) |
| Other | 189 (25.1) | 90 (47.6) |
| Study Design | ||
| Randomized Control Trial | 17 (2.3) | 10 (58.8) |
| Cohort Study | 381 (50.5) | 193 (50.7) |
| Case-control study | 48 (6.4) | 26 (54.2) |
| Case series | 125 (16.6) | 52 (41.6) |
| Metanalysis | 7 (0.9) | 5 (71.4) |
| Statistically Significant Results | ||
| Yes | 135 (17.9) | 84 (62.2) |
| No | 619 (82.1) | 299 (48.3) |
| New technology or technique | ||
| Yes | 278 (36.9) | 146 (52.5) |
| No | 476 (63.1) | 237 (49.8) |
| Principal author PhD | ||
| Yes | 158 (21.0) | 91 (57.6) |
| No | 596 (79.0) | 292 (49.0) |