Skip to main content

Table 5 Patients with a diagnosis of no empyema compared to patients with a final diagnosis of empyema

From: Multiplex bacterial polymerase chain reaction in a cohort of patients with pleural effusion

 

No Empyema

Empyema

p-value

Age, y

70.4 ± 15.4

65.0 ± 15.2

0.012

Length of stay, days

13 (4.0;22.0)

25.0 (15.0;35.5)

< 0.001

unadjusted Charlson score

4.9 ± 2.6

4.7 ± 3.1

0.572

ASA score

3.1 ± 0.46

3.0 ± 0.4

0.668

Smoking status

  

0.006

 Current smoker

25 (17)

23 (38)

 

 Non-smoker

49 (34)

16 (27)

 

Blood parameters

 Leucocytes (*109/l)

9.2 ± 7.4

13.3 ± 7.1

< 0.001

 Neutrophils (*109/l)

6.2 ± 3.5

11.3 ± 7.1

< 0.001

 C-reactive protein (mg/l)

81.3 ± 83.4

203.7 ± 116.6

< 0.001

 Lactate dehydrogenase (U/l)

315.8 ± 229.4

222.8 ± 132.6

< 0.001

Pleural fluid parameters

 Protein (g/l)

33.6 ± 11.3

36.1 ± 12.2

0.074

 Glucose (mmol/l)

6.1 ± 2.7

4.3 ± 3.2

< 0.001

 pH

7.4 ± 0.11

7.1 ± 0.3

< 0.001

 LDH (U/l)

439.5 ± 637.5

3339.3 ± 7558.9

< 0.001

Antibiotic duration (days)

 Before sampling

0 (0;6)

4.0 (1.0;9.0)

< 0.001

 After sampling

5.0 (0;10)

26.0 (15.5;37.5)

< 0.001

 Total antibiotic treatment

7.0 (0;15)

31.0 (20;44)

< 0.001

Patient outcome

 30-day mortality

12 (9)

7 (12)

0.598

  1. Boldface p-values are significant, that is p < 0.05