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Table 1 Sociodemographic characteristics and clinical variables of the patients

From: Risk factors for morbidity and mortality of bloodstream infection in patients undergoing hemodialysis: a nested case–control study

 

Group 1

Group 2

 
 

n = 32

n = 61

p

Age

62 ± 17.8

53 ± 17.5

0.027

Sex

  Male

16 (50.0)

25 (41.0)

0.405

  Female

16 (50.0)

36 (59.0)

 

Race

  White

22 (69.0)

34 (55.7)

0.223

  Non-white

10 (31.0)

27 (44.3)

 

Educational level

  No education

10 (31.2)

15 (24.6)

0.757

  Elementary

12 (37.5)

20 (32.8)

 

  High school

7 (21.9)

18 (29.5)

 

  Higher education

3 (9.4)

8 (13.1)

 

Comorbidity

  Hypertension

30 (93.8)

49 (80.3)

0.127

  Cardiovascular diseases

8 (25.0)

12 (19.7)

0.552

  Diabetes mellitus

15 (47.0)

18 (29.5)

0.096

  Othera

12 (37.5)

20 (32.8)

0.650

Previous treatment

20 (62.5)

43 (70.5)

0.434

Type of previous treatment

  Conservative

14 (43.8)

28 (46.0)

0.843

  Peritoneal dialysis

6 (18.8)

15 (24.6)

0.522

  Hemodialysis

5 (15.6)

13 (21.3)

0.510

  Transplant

5 (15.6)

11 (18.0)

0.770

  Body mass index (kg/m2)

24.8 ± 4.7

24.0 ± 4.4

0.374

  Transfusions

1 (3.1)

10 (16.4)

0.090

  No. of transfusions

1 (-)

2 ± 2.7

 

  Use of previous antimicrobials

15 (47.0)

19 (31.1)

0.135

  Adequate empiric antibiotic therapy

24 (75.0)

51 (83.6)

0.318

  Previous hospitalization

7 (21.9)

12 (19.7)

0.802

  No. of previous hospitalizations

1.4 ± 0.5

1.5 ± 1.5

0.297

  1. Values expressed as mean ± SD or n (%).
  2. aHypothyroidism, hyperthyroidism, neoplasia, or systemic lupus erythematosus.