Staffing characteristics of the participating centers (n = 71).

<p>Staffing characteristics of the participating centers (n = 71).</p

General process information of the participating centers (n = 71).

<p>General process information of the participating centers (n = 71).</p

Hospital facilities of the participating centers (n = 71).

<p>Hospital facilities of the participating centers (n = 71).</p

Centers and countries included in the Collaborative European NeuroTrauma Effectiveness Research in Traumatic Brain Injury (CENTER-TBI) study <i>Note</i>.

<p>Reprinted and updated from Maas et al. (2015). Collaborative European NeuroTrauma Effectiveness Research in Traumatic Brain Injury: a prospective longitudinal observational study. <i>Neurosurgery</i>, <i>76</i>:<i>67–80</i>, under a CC BY licence, with permission from professor A.I. Maas.</p

General structural characteristics of the participating centers (n = 71).

<p>General structural characteristics of the participating centers (n = 71).</p

Characteristics of the Provider Profiling questionnaires.

<p>Characteristics of the Provider Profiling questionnaires.</p

Systematic review characteristics and quality, with number of included and non-included RCTs.

<p>Systematic review characteristics and quality, with number of included and non-included RCTs.</p

Currency, completeness, and quality of single-intervention systematic reviews.

<p>Each bubble represents a single-intervention systematic review (n = 80). The ideal scenario is for bubbles to sit in the bottom right corner (denoting high quality and completeness), and be green in colour (denoting currency). Abbreviations: RCT = randomised controlled trial, SR = systematic review.</p

Randomised controlled trials not included in any systematic review, with reasons.

<p>Randomised controlled trials not included in any systematic review, with reasons.</p