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Table 2 Patients who had investigations performed on same and different days

From: Can HRCT be used as a marker of airway remodelling in children with difficult asthma?

  HRCT & EB same day HRCT & EB different days Total
FEV1 available* 17 6 23
No FEV1 1 3 4
Total 18 9 27
  1. * 10/17 had all 3 tests on the same day, 7/17 had spirometry on a different day
  2. HRCT: high-resolution computed tomography
  3. EB: endobronchial biopsy
  4. FEV1: forced expiratory volume in 1 second