Table 2 Demographics and pleural fluid data of the study population.

From: Proteome profiling reveals novel biomarkers to identify complicated parapneumonic effusions

Characteristics

PPE

non-PPE

UPPE

CPPE

p value

Transudates

Other exudates

Malignant

Patients

35

33

—

37

32

39

Male (%)

28 (80%)

29 (87.9%)

—

24 (64.9%)

21 (65.6%)

17 (43.6%)

Age (years)a

69.75 ± 3.12

66.75 ± 3.01

0.585b

75.48 ± 2.65

75.31 ± 3.30

67.73 ± 1.67

Proteins (g/dl)a

3.64 ± 0.14

4.06 ± 0.21

0.029b

1.78 ± 0.11

3.58 ± 0.19

4.41 ± 0.14

Glucose (mg/dl)a

154.67 ± 13.09

45.23 ± 9.05

< 0.001b

160.58 ± 7.12

142.59 ± 9.85

118.38 ± 17.29

LDH (U/l)a

401.14 ± 52.05

5781.88 ± 1744.09

< 0.001b

82.40 ± 4.37

231.93 ± 29.70

615.97 ± 131.00

pHa

7.45 ± 0.02

7.00 ± 0.06

< 0.001b

7.46 ± 0.01

7.44 ± 0.09

N.A.c

  1. aData are presented as mean ± s.e.m.
  2. bThe p value of Mann-Whitney U test presents the difference between uncomplicated parapneumonic effusion (UPPE) and complicated parapneumonic effusion (CPPE).
  3. cN.A. means data not available.
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