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Table 1 Patient demographics

From: Low-resolution pressure reactivity index and its derived optimal cerebral perfusion pressure in adult traumatic brain injury: a CENTER-TBI study

 All patients
Number of patients224
Age (years)51 (33–64)
Sex
- Female (%)48 (21%)
- Male (%)176 (79%)
GCS total6 (3–10)
GCS motor4 (1–5)
Pupillary response
- Both reactive150 (67%)
- One reactive17 (8%)
- Both unreactive39 (17%)
- Unknown18 (8%)
ABP (mmHg)83.6 (78.8–90.0)
ICP (mmHg)12.6 (9.6–16.1)
CPP (mmHg)71.6 (65.2–77.4)
PRx0.027 (− 0.074–0.162)
LPRx− 0.049 (− 0.145–0.079)
GOSE3 (3–5)
Unfavorable outcome (%)135 (60%)
Fatal outcome (%)51 (23%)
  1. ABP arterial blood pressure, CPP cerebral perfusion pressure, GCS Glasgow Coma Scale, GOSE Glasgow Outcome Scale Extended, ICP intracranial pressure, LPRx long pressure reactivity index, PRx pressure reactivity index