Variables

P. aeruginosa

K. pneumoniae

A. baumannii

N

p

n

P

n

p

Age

51

0.2

48

0.50

61

0.30

Sex

Male

Female

13

4

0.04

13

10

0.90

16

11

0.60

Length of stay (ICU)

33

0.10

23

0.40

24

0.40

Pressure ulcer

10

<0.01

9

0.30

12

0.04

Medical devices (% use)

Venous catheter

Nasal probe

Indwelling catheter

Mechanical ventilation

Drains

13

14

14

14

7

0.04

0.01

0.05

0.01

0.40

15

15

12

13

60

0.20

0.30

0.10

0.80

1.0

17

18

18

18

11

0.30

0.20

0.60

0.09

0.30

Antimicrobials use (days)

9

0.07

9

0.40

10

0.20

Antimicrobials

Penicillin

Glycopeptide

Fluoroquinolone

Carbapenem

9

-

11

12

0.30

-

<0.00

0.01

12

-

11

14

0.20

-

0.01

0.08

0

0.30

-

0.60

<0.01

Severity

C

D

E

11

5

1

0.05

19

3

1

0.50

24

3

-