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Table 3 Exhaled breath condensate diagnostic yield

From: Changes in PH in exhaled breath condensate after specific bronchial challenge test in patients with chronic hypersensitivity pneumonitis: a prospective study

 

All

Birds

Molds

n = 85

n = 54

n = 31

Sensitivity

25.8

23.8

30

% (CI)

(15.9-38.7)

(12.6-39.8)

(12.8-54.3)

Specificity

81.8

66.6

100

% (CI)

(58.9-94.0)

(35.4-88.7)

(65.5-100)

PPV

80

71.4

100

(55.7-93.3)

(42.0-90.4)

(51.7-100)

NPV

20

0.2

41.6

(6.6-44.2)

(0.09-36.1)

(22.8-63.0)

PLR

1.42

0.71

---

(0.53-3.79)

(0.27-1.87)

NLR

0.9

1.14

0.7

(0.77-1.07)

(0.89-1.46)

(0.52-0.93)

  1. Data are expressed as % (95 % CI); PPV, positive predictive value; NPV, negative predictive value; PLR, positive likelihood ratio; NLR, negative likelihood ratio