Table 2.

Descriptive analysis of the four included studies regarding their baseline parameters and the primary and secondary end points

Parameter	No. of studies reported (%)	Total	Gradual weaning	Rapid weaning
No. of patients	4/4 (100) [11–14]	1,337	695 (52)	642 (48)
Baseline characteristics
Men	4/4 (100) [11–14]	453 (33.9)	246 (35.4)	207 (32.4)
Age (years) (mean)	4/4 (100) [11–14]	56	56.2	55.9
GCS at admission (mean)	2/4 (50) [11, 14]	12.4	12.2	12.7
Time to weaning (days) (mean)	1/4 (25) [13]	9	9.9	8
Primary end point
VPS insertion	4/4 (100) [11–14]	401 (30)	195 (28.1)	206 (32.1)
Secondary end points
Vasospasms	2/4 (50) [11, 13]	106 (7.9)	55 (7.9)	51 (7.9)
EVD-associated infection	3/4 (75) [11–13]	152 (11.4)	78 (11.2)	74 (11.5)
LOS ICU (days) (mean)	3/4 (75) [11, 13, 14]	16.9	18.1	15.6
LOS total (days) (mean)	3/4 (75) [11, 13, 14]	22.7	24.1	21.2

All values presented as number (%) of patients if not otherwise specified

EVD external ventricular drain, GCS Glasgow Coma Scale, ICU intensive care unit, LOS length of stay, No. number, VPS ventriculoperitoneal shunt