Correlation between parameters at initiation of renal replacement therapy and outcome in patients with acute kidney injury

Table 2 Comparison between AKI III on RRT and AKI III without RRT

Factor	AKI III on RRT (n = 1847)	AKI III without RRT (n = 935)	P
Male sex	1242 (67.2%)	660 (70.6%)	0.08
Age	60.09 (15.68)	63.14 (15.42)	0.28
Mean (SD)
APACHE II on admission to ICU	22 (1-52)	19 (2-46)	<0.0001
Median (range)	22.92 (7.80)	19.84 (6.63)
Mean (SD)
SOFA score on admission to ICU	10 (0-22)	7 (0-17)	0.0063
Median (range)	10.23 (3.18)	7.61 (2.96)
Mean (SD)
Organ failure on admission to ICU*	2 (0-6)	1 (0-4)	<0.0001
Median (range)	1.72 (1.20)	1.11 (0.95)
Mean (SD)
Maximum organ failure during ICU*	2 (0-6)	2 (0-6)
Median (range)	2.27 (1.17)	1.67 (0.97)	<0.0001
Mean (SD)
Mechanical ventilation	1,687 (91.3%)	729 (77.97%)	<0.0001
Pre-existing chronic illness	469 (25.4%)	238 (25.5%)	0.97
Hb ≤ 9 g/dl on admission to ICU	496 (26.9%)	193 (20.6%)	0.0004
Cardiac surgery	236 (12.8%)	95 (10.2%)	0.051
Mortality
ICU mortality	999 (54.1%)	380 (40.6%)	<0.0001
Hospital mortality	1138 (61.6%)	472 (50.5%)	<0.0001

* excluding acute kidney injury. AKI = acute kidney injury; APACHE = acute physiology and chronic health evaluation score; Hb = haemoglobin; ICU = intensive care unit; RRT = renal replacement therapy; SD = standard deviation; SOFA score = Sequential Organ Failure Assessment score.

ISSN: 1364-8535