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Table 1 Demographic and clinical characteristics of patients with acute kidney injury (AKI) and those without AKI

From: The effect of acute kidney injury on long-term health-related quality of life: a prospective follow-up study

 

Total group

with AKI

Total AKI group

(RIFLE criteria)

n= 172

Total group

without AKI

Survivors at 6

months with

AKI

Survivors at 6 months without AKI

Differences, total group

172/577

Differences, survivors

73/325

  

Risk

Injury

Failure

     

Number (percentage)

172

52 (30.2)

53 (30.8)

67 (39.0)

577

73

325

P value

P value

Age, years

70 (60-77)

70 (64-78)

72 (62.5-80.5)

66 (54-74)

71 (63-77)

67 (54.5-74.0)

69 (61.3-76)

0.898

0.424

Males, number (percentage)

106 (61.6)

39 (22.7)

31 (36.0)

36 20.9)

350 (60.5)

44 (60.3)

190 (58.6)

< 0.001

< 0.001

Females, number (percentage)

66 (38.4)

13 (7.6)

22 (12.8)

31 (36.0)

227 (39.5)

29 (39.7)

134 (41.4)

< 0.001

< 0.001

APACHE II score, points

21 (18-26)

21 (18-26)

21 (19-24.5)

22 (18-27)

17.5 (14-22)

21 (18-26)

17 (13-21)

< 0.001

< 0.001

ICU length of stay, days

13.5 (6-27)

16 (8.2-25.7)

11 (6-22)

12 (6-28)

7 (5-13)

10 (6-18)

7 (5-12)

< 0.001

0.002

Hospital length of stay, days

27 (15.2-52)

22.5 (14.5-55)

24 (13-54)

30 (17-63)

22 (13-37)

35 (20-61.5)

26 (16-41.8)

0.023

0.058

Ventilation, days

10 (3.3-20.7)

15 (5.3-21.5)

9 (3.5-16.5)

9 (2-24)

5 (3-10)

6 (2-13.5)

5 (3-8.7)

< 0.001

0.002

Diagnostic groups, number (percentage)

         

   Cardiovascular pathology

73 (42.4)

20 (20.8)

24 (12.5)

29 (15.1)

111 (19.2)

33 (45.2)

64 (19.8)

0.006

0.02

   Respiratory pathology

48 (27.9)

18 (9.4)

11 (5.7)

19 (9.9)

196 (34.0)

20 (27.4)

97 (29.9)

< 0.001

< 0.001

   Gastrointestinal pathology

45 (26.2)

12 (6.3)

16 (8.3)

17 (8.9)

214 (37.1)

19 (26.0)

139 (42.9)

< 0.001

< 0.001

   Neurological pathology

2 (1.2)

1 (0.51)

-

1 (0.51)

28 (4.9)

-

7 (2.2)

-

-

   Trauma

1 (0.6)

-

1 (0.51)

-

22 (3.8)

-

14 (4.3)

-

-

   Others

3 (1.7)

1 (0.51)

1 (0.51)

1 (0.51)

6 (1.0)

1 (1.4)

3 (0.9)

0.317

0.317

Type of admission, number (percentage)

         

   Non-surgical

110 (64.0)

34 (19.8)

28 (16.3)

48 (27.9)

305 (52.9)

48 (65.8)

138 (42.6)

< 0.001

< 0.001

   Emergency surgical

50 (29.1)

15 (8.7)

23 (13.4)

12 (7.0)

207 (35.9)

20 (27.4)

138 (42.6)

< 0.001

< 0.001

   Elective surgical

12 (7.0)

3 (1.7)

2 (1.2)

7 (4.1)

65 (11.3)

5 (6.8)

48 (14.8)

< 0.001

< 0.001

Type of proxy, number (percentage)

         

   Spouse

97 (56.4)

26 (15.3)

35 (20.6)

36 (21.2)

412 (71.4)

51 (69.9)

257 (79.3)

< 0.001

< 0.001

   Children

72 (41.9)

30 (17.6)

30 (17.6)

10 (5.9)

157 (27.2)

22 (30.1)

59 (18.2)

< 0.001

< 0.001

   Brother/Sister

3 (1.7)

1 (0.6)

2 (1.2)

-

8 (1.4)

-

8 (2.5)

-

-

  1. Elective surgical: intensive care unit (ICU) admission was planned within a 24-hour period before surgery. Emergency surgical: unplanned surgery. Non-surgical: all other admissions. Values are presented as median and interquartile range (P25-P75) unless stated otherwise. APACHE II, Acute Physiology and Chronic Health Evaluation II; RIFLE, Risk, Injury, Failure, Loss, and End-stage kidney disease.
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