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Table 2 AKI patients characteristics by 28-day mortality

From: Prognostic significance of malnutrition risk in elderly patients with acute kidney injury in the intensive care unit

Characteristic

AKI patients

(n = 1021)

M (Q1, Q3)

Number (%)

Survivors

(n = 694)

M (Q1, Q3)

Number (%)

Non-survivors

(n = 327)

M (Q1, Q3)

Number (%)

P value

Age (years)

75 (68-82)

74 (67-81)

78 (70-83)

< 0.001

Male gender

615 (60.2)

420 (60.5)

195 (59.6)

0.967

Baseline creatinine (μmol/L)

82.0 (72.9-95.0)

81.0 (72.0-94.8)

84.0 (75.0-95.2)

0.774

BMI

24 (21-26)

24 (21-26)

23 (21- 25)

0.012

Severity of illness

 mNUTRIC

5 (3-6)

4 (3-6)

6 (5-7)

< 0.001

 APACHEII

18 (14-25)

16 (12-21)

24 (18- 30)

< 0.001

 SAPSII

43 (34-57)

39 (31-49)

55 (43-69)

< 0.001

 SOFA

7 (4-10)

6 (4-9)

9 (6-12)

< 0.001

ICU course

 Vasoactive therapy

439 (43.0)

301 (43.4)

138 (42.2)

0.940

 MV

687 (67.3)

452 (65.1)

235 (71.9)

0.101

 sepsis

472 (46.2)

240 (34.6)

232 (70.9)

< 0.001

 Staging of AKI 1

450 (44.1)

373 (53.7)

77 (23.5)

 

         2

246 (24.1)

168 (24.2)

78 (23.9)

< 0.001

         3

325 (31.8)

153 (22.1)

172 (52.6)

 

 RRT

174 (17.0)

77 (11.1)

97 (29.7)

< 0.001

Organ support

 single organ

477 (46.7)

340 (49.0)

137 (41.9)

 

 dual organ

332 (32.5)

212 (30.5)

120 (36.7)

< 0.001

 multiorgan

53 (5.2)

22 (3.2)

31 (9.5)

 

Outcomes

 ICU LOS (days)

6 (3-12)

5 (3-12)

6 (4-11)

0.722

  1. Data are expressed as the median (interquartile range, IQR), and number (percentage). AKI Acute kidney injury, BMI Body mass index, mNUTRIC The modified Nutrition Risk in Critically Ill score, APACHE II Acute Physiology and Chronic Health Evaluation II, SAPS II Simplified Acute Physiology Score II, SOFA Sequential Organ Failure Assessment, MV Mechanical ventilation, RRT Renal replacement therapy, LOS Length of stay.