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Table 4 Clinical and demographic characteristics of patients who died and those who survived

From: Impact of colistin plasma levels on the clinical outcome of patients with infections caused by extremely drug-resistant Pseudomonas aeruginosa

 

Died

(n = 28)

Survived

(n = 63)

P-value

Male sex

24 (85.7)

42 (66.7)

0.06

Age, years*

66.85 (41–84)

65.5 (24–87)

0.12

APACHE II*

14 (5–27)

10.5 (2–28)

0.047

Co-morbidities, n (%):

 Malignancy

6 (21.4)

8 (12.7)

0.35

 Cardiovascular

7 (25)

19 (30.2)

0.8

 Pulmonary

15 (53.6)

18 (28.6)

0.03

 Diabetes Mellitus

3 (10.7)

18 (28.6)

0.1

 Urogenitala

6 (21.4)

8 (12.7)

0.35

 Hepatic

4 (14.3)

4 (6.3)

0.24

 Haematologicalb

4 (14.3)

8 (12.7)

1

 Neurologicalc

2 (7.1)

16 (23.4)

0.05

Charlson*

5 (1–9)

4 (0–10)

0.039

McCabe**

1.8 ± 0.7

1.3 ± 0.6

0.008

Clinical status, n (%)

 Severe sepsis

15 (53.6)

43 (68.3)

0.17

 Shock

2 (7.1)

5 (7.9)

0.89

Patients with CKD at baseline

7 (25)

12 (19)

0.52

Department of hospitalization:

 Medical

12 (42.9)

32 (50.8)

 

 Surgical

11 (39.3)

21 (33.3)

0.78

 ICU2

5 (17.9)

10 (15.9)

 

Admission diagnosis category:

 Infection

7 (25)

19 (30.2)

 

 Other-medical

12 (42.9)

23 (36.5)

0.82

 Other-surgical

9 (32.1)

21 (33.3)

 

CMS daily dose (millions IU)**

5.5 ± 2.4

5.4 ± 2.2

0.793

CMS total dose (millions IU)**

114.4 ± 116.5

113.3 ± 91.5

0.68

CMS duration of treatment, days**

20.3 ± 16.5

21.4 ± 16.6

0.88

Combined treatment, n (%)

15 (53.6)

31 (49.2)

0.7

Css (mg/L)**

2,1 ± 1.4

1.4 ± 1,4

0.011

Css > 1.25 (mg/L), n (%)

18 (64.3)

28 (44.4)

0.093

Css/MIC**

4.2 ± 2.7

3.1 ± 3

0.048

AKI at day 7, n (%)

14 (50)

16 (25.4)

0.021

AKI at the EOT, n (%)

20 (71.4)

29 (46)

0.025

Length of hospital stay, (days)**

65.2 ± 33.9

71.5 ± 63.2

0.3

  1. 1 CKD chronic kidney disease, 2 ICU intensive cure unit, 3 CMS colistin methanesulphonate, 4 IU international units, 5 C ss colistin plasma concentration at steady-state, 6 MIC minimal inhibitory concentration, 7 AKI acute kidney injury, 8 EOT end of treatment
  2. *median (range)
  3. **mean ± SD
  4. aAmong urogenital co-morbidities were, renal disease, kidney stones and obstructive uropathy
  5. bAmong haematological co-morbidities were haemopoietic and lymphoreticular malignances
  6. cAmong neurological co-morbidities were Alzheimer’s disease, stroke, miastenia gravis, sclerosis and any kind of dementia