Incidence and Risk Factors of Postcontrast Acute Kidney Injury in Patients with Acute Ischemic Stroke

Table 1

Patient characteristics.

Baseline characteristic	Number of patients (%)		value
	Control ()	Case ()
Age (years),			0.835
(i) <60	29 (28.7)	0 (0)	—
(ii) 60–75	39 (38.6)	7 (87.5)	0.027
(iii) >75	33 (32.7)	1 (12.5)	0.262
Sex
(i) Male	48 (47.5)	2 (25)	0.234
Systolic blood pressure (SBP),			0.106
(i)  mmHg	38 (37.6)	5 (62.5)	0.180
Body weight (kg),			0.662
Patient volume status
Total fluids within 24 h (mL),			0.129
Total fluids within 48 h (mL),			0.230
Laboratory data
Baseline serum creatinine (mg/dL),			0.078
(i) ≥1.5	9 (8.9)	2 (25)	0.167
Baseline eGFR (mL/min),			0.323
(i) ≤30	2 (1.98)	1 (12.5)	0.128
Baseline hematocrit,			0.013
Baseline hemoglobin (g/dL),			0.015
Stroke severity score
NIHSS on admission,			0.559
Modified Rankin scale on admission,			0.940
Past medical history
Diabetic mellitus	25 (24.8)	1 (12.5)	0.446
Chronic kidney disease	36 (35.6)	3 (37.5)	0.916
DM and chronic kidney disease	14 (13.9)	1 (12.5)	0.914
Hypertension	63 (62.4)	7 (87.5)	0.186
Congestive heart failure	6 (5.9)	0 (0)	—
Anemia	32 (31.7)	4 (50)	0.202
Myocardial infarction	12 (11.9)	1 (12.5)	0.416
Dyslipidemia	43 (42.6)	3 (37.5)	0.780
Atrial fibrillation	25 (24.8)	2 (25)	0.988
Current metformin use	9 (8.9)	0 (0)	—
Stroke complication
Brain edema	9 (8.9)	1 (12.5)	0.736
Progressive stroke	6 (5.9)	0 (0)	—
Urinary tract infection	11 (10.9)	2 (25)	0.350
Procedure and volume of contrast administered
Volume of contrast media,			0.705
Volume/body weight ratio (V/B),			0.857
Mechanical thrombectomy	4 (3.9)	2 (25)	0.030

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