Prognostic values of optic nerve sheath diameter for comatose patients with acute stroke: An observational study

Table 2 Comparison of different parameters between the death group and the survival group

Parameter	Death group (n = 42)	Survival group (n = 25)	χ2/t/Z value	P value
Age (yr)	62.3 ± 14.7	56.1 ± 18.9	1.405	0.165
Gender, male, n (%)	21 (50.0)	11 (44.0)	0.226	0.801
Height (cm)	164.1 ± 8.1	166.6 ± 8.0	-1.296	0.195
Body weight (kg)	64.7 ± 14.3	67.8 ± 13.6	-0.823	0.414
BMI	23.6 ± 3.5	23.6 ± 5.9	0.006	0.995
MAP	80.3 ± 18.8	103.5 ± 26.0	-3.585	< 0.0001
GCS score			49.809	< 0.0001
3	33	0
4	3	2
5	3	4
6	0	4
7	1	5
8	2	10
Stroke			11.981	0.003
ACI	10	3
CH	18	21
SAH	14	1
ONSD (mm)	6.32 ± 0.67	5.65 ± 0.62	4.078	< 0.0001
ONSD/ETD	0.28 ± 0.03	0.25 ± 0.02	4.625	< 0.0001
Surgery, n (%)	8 (19.0)	11 (44.0)	4.803	0.048

BMI: Body mass index; MAP: Mean arterial pressure; GCS: Glasgow coma score; ACI: Acute cerebral infarction; CH: Cerebral hemorrhage; SAH: Subarachnoid hemorrhage; ONSD: Optic nerve sheath diameter; ETD: Eyeball transverse diameter.