The effect of window rooms on critically ill patients with subarachnoid hemorrhage admitted to intensive care

Table 1 Characteristics of patients with subarachnoid hemorrhage cared for in ICU rooms with windows versus without windows^a

		ICU room where patient received care
Characteristics	Number of patients	Window	No window	P value
Number of patients (%)	789	455 (57.7%)	334 (42.3%)	-
Demographics
Mean age, yr (± SD)	789	54.5 ± 14.5	54.5 ± 14.5	1.00
Female, %	789	69.5%	65.3%	0.22
Caucasian ethnicity, %	789	50.6%	50.6%	0.99
Social and past medical history, %
Ever smoked	731	60.7%	62.4%	0.64
Alcohol use^b	713	62.4%	58.8%	0.32
Sentinel bleeding	735	17.3%	20.5%	0.28
Symptoms at onset, %
Loss of consciousness	771	41.6%	38.0%	0.32
Seizures	761	11.8%	13.4%	0.52
Neurological and clinical exam on admission
Hunt-Hess grade, %	789
I-II		43.1%	44.6%	0.88
III		27.3%	25.8%	-
IV-V		29.7%	29.6%	-
Modified Fisher Scale score, %	767
I		14.1%	16.2%	0.24
II		25.0%	28.1%	-
III		39.1%	37.9%	-
IV		20.0%	14.7%	-
Mean SAH sum score (± SD)	765	14.4 ± 8.4	13.4 ± 8.6	0.10
Mean IVH severity score (± SD)	765	2.3 ± 3.2	2.1 ± 3.0	0.41
Global cerebral edema, %	749	25.2	27.1	0.56
Mean Glasgow Coma Scale score (± SD)	778	11.9 ± 4.1	11.8 ± 4.2	0.87
Mean APACHE II score (± SD)	777	11.5 ± 7.7	11.1 ± 7.4	0.48
Aneurysm characteristics, %
Anterior location	643	57.3%	61.4%	0.31
Size > 10 mm	642	27.4%	33.1%	0.12
Vasospasm, %
Any angiographic vasospasm	703	10.3%	9.8%	0.84
Delayed cerebral ischemia	764	31.9%	36.0%	0.23
Hyponatremia during hospitalization (< 130 mM/l), %	784	13.3%	11.4%	0.43
Therapeutic interventions, %
Aneurysm clipping	761	60.5%	62.3%	0.61
Aneurysm coiling	752	21.4%	21.5%	0.96
Any mechanical ventilation, %	789	47.0%	47.0%	0.99
Any use of pressors	780	49.7%	49.2%	0.91

^aAPACHE II, Acute Physiology and Chronic Health Evaluation II; IVH, intraventricular hemorrhage; SAH, subarachnoid hemorrhage; SD, standard deviation; TCD, transcranial Doppler imaging; ^bconsumed alcohol at least once in the 6 months prior to SAH.

ISSN: 1364-8535