Table 2.

Correlation Between Serum NADPH Oxidase 2 Levels and Other Variables Using Spearman Correlation Coefficient and Linear Regression Analysis in Aneurysmal Subarachnoid Hemorrhage

Variable	r	P value	Univariate Analysis			Multivariate Analysis
			t	Beta	P value	t	Beta	P value
Gender (male/female)	0.023	0.798	0.092	0.008	0.927	–
Age (years)	0.147	0.104	1.291	0.117	0.199	–
Cigarette smoking	0.114	0.209	1.438	0.190	0.153	–
Alcohol consumption	−0.072	0.430	−0.818	−0.074	0.415	–
Hypertension	−0.027	0.766	−0.388	−0.035	0.699	–
Diabetes mellitus	0.043	0.634	0.597	0.054	0.554	–
Hyperlipidemia	−0.060	0.512	−0.507	−0.046	0.613	–
WFNS score	0.599	<0.001*	8.559	0.614	<0.001*	3.594	0.383	<0.001*
Modified Fisher score	0.552	<0.001*	7.811	0.579	<0.001*	2.373	0.252	0.019*
Aneurysmal position (posterior / anterior circulation)	−0.149	0.100	−1.474	−0.133	0.143	–
Aneurysmal shape (cystic/others)	−0.015	0.867	0.086	0.008	0.931	–
Aneurysmal diameter (<10 mm/≥10 mm)	0.065	0.478	0.780	0.071	0.437	–
Intraventricular bleeding	0.220	0.014*	2.832	0.249	0.005*	−0.916	−0.075	0.361
Acute hydrocephalus	0.190	0.035*	2.374	0.211	0.019*	1.367	0.102	0.174
Admission time (h)	−0.113	0.214	−1.306	−0.118	0.194	–
Blood-collection time (h)	−0.132	0.146	−1.473	−0.133	0.143	-
Systolic arterial pressure (mmHg)	−0.059	0.515	−0.826	−0.075	0.410	-
Diastolic arterial pressure (mmHg)	0.017	0.854	0.335	0.030	0.738	-
Blood leucocyte count (×109/L)	0.324	<0.001*	3.652	0.315	<0.001*	1.545	0.114	0.125
Blood potassium concentrations (mmol/L)	0.007	0.939	0.157	0.014	0.875	-
Blood glucose concentrations (mmol/L)	0.212	0.018*	2.579	0.228	0.011*	1.170	0.085	0.245

Notes: Correlations were done using Spearman correlation coefficient and Linear regression model in aneurysmal subarachnoid hemorrhage. The asterisk indicates statistical significance (*P<0.05).

Abbreviation: WFNS, World Federation of Neurological Societies Scale.