Table 1.

General Characteristics of Cohort 1.^a

Variable	No DCI	DCI	P
N	132	91
Female	82 (62)	61 (67)	.480
Age (year)	55 ± 1.1	57 ± 1.5	.289
Loss of consciousness at ictus	53 (41)	55 (61)	.003
ICU admission within 24 hours	125 (95)	85 (94)	.761
Admission GCS	14 (13-15)	13 (6-15)	.001
Transferred for intervention within 72 hours	59 (45)	29 (32)	.054
Aneurysm location
Anterior circulation	101 (77)	72 (79)	.744
Posterior circulation	23 (17)	17 (19)	.860
No aneurysm found	8 (6)	2 (2)	.206
Hijdra cistern sum score	16 (9-20)	20 (14-23)	.001
Hijdra ventricular sum score	2 (0-4)	3 (0-6)	.010
Treatment day	1.8 ± 0.2	2.0 ± 0.4	.911
Aneurysm treatment mode
Coiling	85 (64)	44 (48)	.019
Clipping	31 (24)	25 (28)	.532
No occlusion	16 (12)	22 (24)	.029
Day of DCI diagnosis		8 ± 0.5
DCI diagnosis based on
CT only		34 (37)
Clinical signs only		31 (34)
Both CT and clinical signs		26 (29)
Daily mean arterial pressure (mm Hg)
Day 1	93.7 ± 1.1	99.3 ± 1.4	.002
Day 2	97.2 ± 1.2	101.0 ± 1.8	.072
Day 3	101.0 ± 1.3	104.0 ± 1.7	.170
Mean hemoglobin (mmol/L)
Day 1	7.97 ± 0.08	7.82 ± 0.10	.251
Day 2	7.45 ± 0.08	7.15 ± 0.13	.050
Day 3	7.35 ± 0.09	6.95 ± 0.10	.009
Mean heart rate (beats per minute)
Day 1	71.8 ± 1.1	73.8 ± 1.5	.303
Day 2	69.7 ± 1.1	71.4 ± 1.7	.389
Day 3	71.5 ± 1.2	72.8 ± 1.7	.535
Lowest peripheral oxygen saturation (%)
Day 1	89.8 ± 0.95	89.6 ± 0.98	.875
Day 2	92.7 ± 0.52	91.7 ± 0.88	.336
Day 3	91.6 ± 0.58	91.6 ± 0.58	.943
GOS follow-up (months)	3.5 ± 0.1	2.8 ± 0.2	.008
GOS			<.001
Death	11 (9)	33 (39)
Persistent vegetative state	0	1 (1)
Severe disability, dependent	2 (2)	16 (19)
Moderate disability, independent	21 (17)	10 (12)
Good recovery	88 (72)	25 (29)
6-month mortality	11 (9)	33 (38)	<.001

Abbreviations: DCI, delayed cerebral ischemia; ICU, intensive care unit; GCS, Glasgow coma score; CT, computed tomography; GOS, Glasgow outcome scale.

^aData are reported as mean ± standard error, median (interquartile range), or number (percentage) where appropriate.