Table 1 Patients characteristics at PEEP of 3 cmH2O between responder group and non-responder group
|  | 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 contusion | 28 (57.1) | 38 (60.3) | 0.735 |
 Parenchymal hematoma | 14 (28.6) | 17 (27.0) | 0.852 |
 Subdural hematoma | 7 (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, mmHg | 1.63 (1.33) | 6.55 (2.46) | < 0.001 |
PetCO2, mmHg | 33.00 (3.13) | 33.05 (3.06) | 0.931 |
CrsI, ml/kg/cmH2O | 1.30 (0.06) | 1.31 (0.06) | 0.865 |