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Table 1 Comparison of clinical and laboratory findings between patients with TPE and PPE

From: The pleural fluid lactate dehydrogenase/adenosine deaminase ratio differentiates between tuberculous and parapneumonic pleural effusions

Parameter

TPE (n = 72)

PPE (n = 47)

P Value

Demographic data:

 Age, years

51.5 (17–82)

59.0 (26–93)

.014

 Male sex

49 (68.1%)

33 (75%)

 

Blood values:

 Albumin, g/dl

67.25 (55.3–81.6)

66.1 (52.5–79.5)

.633

 LDH, U/L

81.0 (111–321)

180.3 (118–433)

.618

Pleural fluid values:

 Protein, g/dl

50.0 (9.6–65.1)

47.6 (19.1–65)

.045

 LDH, U/L

364.5 (55–1154)

4037 (103–48,730)

< .001

 ADA, U/L

33.5 (4.5–75.9)

43.3 (2.0–344.1)

.249

 LDH/ADA ratio

10.88 (3.65–21.81)

66.91 (9.04–411.4)

< .0001

  1. Continuous variables are presented as the median (range) and qualitative variables as the number and percentage.
  2. ADA, adenosine deaminase; LDH, lactate dehydrogenase; PPE, parapneumonic pleural effusion; TPE, tuberculous pleural effusion