Data of patients with postoperative bleeding.

Data of patients with postoperative bleeding.</p

Clinical summary of VP shunt malposition in grade 2 with revision surgery and all grade 3 or 4 patients.

Clinical summary of VP shunt malposition in grade 2 with revision surgery and all grade 3 or 4 patients.</p

Comparison of cohort demographics between patients with and without shunt malposition.

<p>Comparison of cohort demographics between patients with and without shunt malposition.</p

Absolute risk reduction (ARR) and diagnostic ratio for early postoperative cranial CT of various radiological factors.

<p>Absolute risk reduction (ARR) and diagnostic ratio for early postoperative cranial CT of various radiological factors.</p

Data of patients with hygromas due to VP shunt overdrainage.

<p>Data of patients with hygromas due to VP shunt overdrainage.</p

Additional file 1: of Low-dose aspirin and burr-hole drainage of chronic subdural hematoma: study protocol for a randomized controlled study

SPIRIT 2013 Checklist: recommended items to address in a clinical trial protocol and related documents. (DOC 134 kb