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Table 7 Description of PFTs (spirometry)

From: Systemic sclerosis: correlation between lung abnormalities on high-resolution computed tomography (HRCT) and pulmonary function tests (PFTs)

 

Description (n = 30)

Range

Median (IQR)

Pred (FVC)

2.2–5

3.2 (2.8–3.4)

% (B/P) (FVC)

28.8–101.8

63.7 (51–77.6)

Pred (FEV1)

1.8–4.2

2.8 (2.4–3)

Best (FEV1)

0.6–3.7

1.7 (1.3–2)

% (B/P) (FEV1)

30.1–94

65.4 (48.5–75.6)

Pred (FEV1 % FVC)

78.1–88.3

85.9 (84.7–87.2)

Best (FEV1 % FVC)

37.1–100

83.8 (79.6–91.3)

% (B/P) (FEV1 % FVC)

43–128

97.5 (93–105)

  1. IQR interquartile range (range between 25th and 75th percentiles)