Incidence, Risk Factors, and Outcome of Acute Kidney Injury in the Intensive Care Unit: A Single-Center Study from Jordan

Table 3

Baseline characteristics by AKI.

Variable	AKI (+)	AKI (−)	P value
Age, mean (± SD)	60.3 (SD 19.1)	51.8 (SD 21.0)	0.0001
<60	289 (40.5%)	893 (58.7%)
60–69	151 (21.1%)	234 (15.2%)
>70	274 (38.4%)	401 (26.1%)
Sex
Male	408 (30.7%)	920 (69.3%)	0.29
Female	314 (32.8%)	643 (67.2%)
Comorbidities
Diabetes mellitus	344 (32.5%)	715 (67.5%)	0.15
Hypertension	366 (34.9%)	682 (65.1%)	0.001
Ischemic heart disease	98 (32.6%)	203 (67.4%)	0.21
Cerebrovascular accident	56 (37.6%)	93 (62.4%)	0.11
Congestive heart failure	54 (35.1%)	100 (64.9%)	0.46
Peripheral vascular disease	31 (39.7%)	47 (60.3%)	0.14
Cancer	94 (38.8%)	148 (61.2%)	0.02
Drugs
Angiotensin converting enzyme inhibitors/Angiotensin II receptor blockers	287 (35.2%)	529 (64.8%)	0.005
Nonsteroidal anti-inflammatory drugs	59 (29.5%)	141 (70.5%)	0.25
Contrast	114 (31.5%)	248 (68.5%)	0.74
Severity index
APACHE II	12.2 (±SD4.1)	10.7 (±SD 3.8)	0.0001
Mortality
At the time of discharge	290 (58%)	192 (51.3%)	0.05
30 days after discharge	23 (1.0%)	9 (0.4%)	0.03