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Table 1 General features of 50 patients with a probable UIP pattern on HRCT

From: Clinical diagnosis of patients subjected to surgical lung biopsy with a probable usual interstitial pneumonia pattern on high-resolution computed tomography

Characteristic

 

Age in years, \( \overline{x} \) ± SD

64.0 ± 7.4

Sex, male, n (%)

32 (64.0)

Duration of symptoms in months, median (Q1-Q3) (n = 47)

15.0 (6.8–36.0)

Smoking history, n (%)

26 (52.0)

Environmental exposure, n (%)

28 (56.0)

Family history, n (%)

5 (10.0)

Dyspnoea, any, n (%)

41 (82.0)

Cough, yes, n (%)

32 (64.0)

Symptoms of GERD, n (%)

22 (44.0)

GERD confirmed, n (%)

16 (32.0)

Velcro crackles, n (%)

34 (68.0)

FVC% predicted, \( \overline{x} \) ± SD

80.9 ± 16.8

FEV1% predicted, \( \overline{x} \) ± SD

85.6 ± 17.9

FEV1/FVC, \( \overline{x} \) ± SD

0.84 ± 0.08

SpO2 rest % (n = 44), \( \overline{x} \) ± SD

95.0 ± 1.9

Honeycombing on HRCTa, n (%)

8 (16.0)

  1. aPatients with a single layer of honeycombing cysts located outside of the lower lobes
  2. HRCT High-resolution computed tomography, GERD Gastroesophageal reflux disease, FVC Forced vital capacity, FEV1 Forced expiratory volume in the first second, SpO2 Peripheral oxygen saturation