TABLE 4.

Multivariate logistic regression analysis of AKI in hospitalized patients.

Variable	β	Wald value	OR and 95% CI	p-value
Age	−0.01	1.50	0.99 (0.99∼1.00)	0.22
Operation
Operation	0.87	185.41	2.39 (2.11∼2.71)	<0.001
Contrast examination	−0.137	2.74	0.88 (0.75∼1.02)	0.10
Laboratory Values
Scr	0.01	90.65	1.02 (1.01∼1.04)	<0.001
Leukocyte count	0.02	33.04	1.02 (1.01∼1.03)	<0.001
Platelet count	−0.01	34.93	0.99 (0.92∼1.00)	<0.001
Red blood cell count	−0.14	20.62	0.87 (0.82∼0.92)	<0.001
Uric acid	0.01	154.39	1.02 (1.01∼1.03)	<0.001
Total bilirubin	0.01	123.19	1.01 (1.01∼1.04)	<0.001
β-2 microglobulin	0.06	128.03	1.06 (1.05∼1.08)	<0.001
Comorbidity
Hypertension	0.12	4.90	1.13 (1.01∼1.26)	0.03
Diabetes	−0.07	1.31	0.94 (0.84∼1.05)	0.25
Cerebral apoplexy	0.45	66.66	1.56 (1.40∼1.74)	<0.001
Anemia	−0.05	0.45	0.95 (0.83∼1.10)	0.50
Coronary heart disease	−0.05	0.69	0.95 (0.84∼1.07)	0.41
Pneumonia	0.41	64.37	1.51 (1.36∼1.66)	<0.001
Shock	1.13	181.56	3.09 (2.62∼3.65)	<0.001
Sepsis	0.19	1.13	1.21 (0.85∼1.73)	0.29
Skin tissue infection	0.12	0.21	1.13 (0.66∼1.88)	0.65
Neoplastic diseases	−0.12	3.67	0.89 (0.79∼1.01)	0.01
Heart failure	0.46	34.48	1.58 (1.35∼1.84)	<0.001
Chronic kidney insufficiency	−0.45	15.17	0.64 (0.50∼0.80)	<0.001
Hypokalemia	0.02	0.03	1.11 (0.82∼1.26)	0.86
Hyponatremia	0.12	0.84	1.13 (0.87∼1.45)	0.36
Liver injury	0.28	0.85	1.32 (0.72∼2.34)	0.03
Chronic Obstructive Pulmonary Disease	0.21	2.39	1.24 (0.94∼1.62)	0.12
Acidosis	0.90	47.45	2.47 (1.91∼3.19)	<0.001
Combination therapy
NSAIDs	0.22	15.50	1.25 (1.12∼1.40)	<0.001
ACEI	0.01	0.02	1.01 (0.84∼1.22)	0.89
ARB	0.19	7.99	1.20 (1.06∼1.37)	0.01
PPI	0.35	29.81	1.41 (1.25∼1.60)	<0.001
β-lactam drugs	0.72	170.55	2.06 (1.85∼2.29)	<0.001