Research Article

Intracranial Pressure during External Ventricular Drainage Weaning Is an Outcome Predictor of Traumatic Brain Injury

Table 1

Patient characteristics of the study population.

Patient characteristicsFavorable ()Unfavorable ()Total () value

Sex, (%)0.244
 Male20 (76.9)6 (54.5)26 (70.3)
 Female6 (23.1)5 (45.5)11 (29.7)
Age (years), mean (SD)60 (11)68 (12)62 (12)0.045
Pupil reactivity, (%)0.642
 None1 (3.9)2 (18.2)3 (8.1)
 One reactive5 (19.2)1 (9.1)6 (16.2)
 Both reactive20 (76.9)8 (72.7)28 (75.7)
GCS score, median [IQR]8.0 [6.0, 11.0]7.0 [5.0, 8.0]7.0 [6.0, 9.5]0.148
Marshall CT score, median [IQR]6.0 [4.0, 6.0]4.0 [3.0, 6.0]6.0 [3.5, 6.0]0.445
mFisher score, median [IQR]3.0 [3.0, 3.0]3.0 [2.0, 3.0]3.0 [3.0, 3.0]0.601
IVH, (%)0.051
 Yes5 (19.2)6 (54.5)11 (29.7)
 No21 (80.8)5 (45.5)26 (70.3)
Surgery type, (%)0.028
 With DC20 (76.9)4 (36.4)24 (64.9)
 Without DC6 (23.1)7 (63.6)13 (35.1)
EVD days, mean (SD)7 (2)9 (3)7 (2)0.097
ICU days, mean (SD)13 (5)19 (7)15 (6)0.004
CSF output (ml), mean (SD)119 (59)102 (50)114 (56)0.424
Complications, (%)0.466
 Yes14 (53.8)8 (72.7)22 (59.5)
 No12 (46.2)3 (27.3)15 (40.5)

SD: standard deviation; GCS: Glasgow Coma Scale; IQR: interquartile range; IVH: intraventricular hemorrhage; DC: decompressive craniectomy; EVD: external ventricular drainage; ICU: intensive care unit; CSF: cerebrospinal fluid.