Table 1 Inclusion and exclusion criteria.

From: Current trends and outcomes of non-elective neurosurgical care in Central Europe during the second year of the COVID-19 pandemic

Inclusion

Exclusion

Any traumatic brain injury necessitating surgical procedure

Conservative management

Elective surgeries

Any intervention not meeting the predefined inclusion criteria

Chronic subdural hematoma necessitating surgical treatment

Subarachnoid hemorrhage and other neurovascular lesions (aneurysms, cavernomas, arteriovenous malformations, dural arteriovenous fistulae,etc.) requiring surgical and/or endovascular treatment

Any spine lesion (e.g., tumor, traumatic, degenerative, infectious, etc.) requiring emergency surgical treatment

New-onset or acute deterioration of patients with hydrocephalus

Intracranial lesions including metastases, high- and low- grade gliomas, meningiomas, strokes, intracranial hematomas, and abscesses requiring emergency surgical treatment

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