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Table 1 Patients characteristics at PEEP of 3 cmH2O between responder group and non-responder group

From: Intracranial-to-central venous pressure gap predicts the responsiveness of intracranial pressure to PEEP in patients with traumatic brain injury: a prospective cohort study

 Responder group (n = 49)Non-Responder group (n = 63)p
Male, n (%)31 (41.89)43 (58.11)0.688
Age, years, mean (SD)46.96 (11.88)49.02 (10.49)0.334
Causes of brain injury, n (%)
 Cerebral contusion28 (57.1)38 (60.3)0.735
 Parenchymal hematoma14 (28.6)17 (27.0)0.852
 Subdural hematoma7 (14.3)8 (12.7)0.807
GCS, mean (SD)5.43 (1.61)5.16 (1.35)0.336
Hemodynamics variables
 CVP, mmHg, mean (SD)8.18 (2.66)6.54 (2.59)0.001
 MAP, mmHg, mean (SD)78.00 (5.55)79.60 (4.57)0.097
 ICP, mmHg, mean (SD)9.82 (2.97)13.10 (2.74)< 0.001
 CPP, mmHg, mean (SD)66.67 (4.58)66.51 (4.03)0.840
 HR, bpm, mean (SD)74.97 (13.36)78.88 (14.47)0.104
PICGap, mmHg1.63 (1.33)6.55 (2.46)< 0.001
PetCO2, mmHg33.00 (3.13)33.05 (3.06)0.931
CrsI, ml/kg/cmH2O1.30 (0.06)1.31 (0.06)0.865
  1. Abbreviations: GCS Glasgow coma score; CVP Central venous pressure; MAP Mean arterial pressure; HR Heart rate; ICP Intracranial pressure; CPP Cerebral perfusion pressure; PetCO2 End-tidal carbon dioxide pressure; CstI The static compliance of respiratory system (Cst) indexed to the predicted body weight of the patients