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Table 1 Baseline characteristics of acute kidney injury (AKI) patients with and without renal replacement therapy (RRT).

From: Efficacy of renal replacement therapy in critically ill patients: a propensity analysis

Variable

Patients with RRT

(N= 545)

Patients without RRT

(N= 2301)

P value

Age, mean (SD)

61.3 (16.6)

67.6 (15.5)

< 0.0001

Males, no. (%)

363 (66.6)

1309 (59.9)

< 0.0001

SAPS II score, mean (SD)

56.8 (19.2)

48.6 (19.8)

< 0.0001

APACHE II score, mean (SD)

21.4 (7.0)

19.6 (7.1)

< 0.0001

Transfer from ward, no. (%)

291 (53.4)

1072 (46.6)

0.004

McCabe, no. (%)

1

314 (57.6)

1352 (58.8)

 

2

188 (34.5)

771 (33.5)

0.88

3

43 (7.9)

178 (7.7)

 

Admission category, no. (%)

Medical

388 (71.2)

1655 (71.9)

 

Scheduled surgery

52 (9.5)

259 (11.3)

0.25

Unscheduled surgery

105 (19.3)

387 (16.8)

 

Chronic coexisting conditions, no. (%)

Cardiac disease

89 (16.3)

420 (18.3)

0.29

Respiratory disease

55 (10.1)

311 (13.5)

0.03

Liver disease

50 (9.2)

128 (5.6)

0.002

Immunodeficiency

104 (19.1)

336 (14.6)

0.01

Uncomplicated diabetes mellitus

63 (11.6)

257 (11.2)

0.79

Complicated diabetes mellitus

30 (5.5)

118 (5.1)

0.72

  1. SAPS, Simplified Acute Physiology Score; APACHE, Acute Physiology and Chronic Health Evaluation.