Data for percent 2020 increase, average yearly 2016–2019 increase, proportion of observed over expected, and percent of COVID-19 related articles by journal
| Journals | Observed 2020 increase | Average yearly increase of 2016–2019 | Observed/ Expected | COVID-19 related articles |
| Neurosurgery | 27.3% | 11.3% | 2.42 | 15.1% |
| Journal of Neurosurgery | 36.4% | 3.60% | 10.1 | 8.37% |
| American Journal of Neuroradiology | 41.2% | 4.38% | 9.41 | 8.58% |
| Journal of NeuroInterventional Surgery | 31.6% | 18.2% | 1.74 | 9.30% |
| JNS: Spine | 62.0% | 3.02% | 20.5 | 2.26% |
| JNS: Pediatrics | 55.0% | 3.31% | 16.6 | 2.91% |
| Stroke | 27.0% | 4.59% | 5.88 | 2.62% |
| World Neurosurgery | 57.6% | 41.4% | 1.39 | 5.82% |
| Total (mean) | 42.3% | 11.2% | 8.51 | 6.87% |