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Table 2 2 × 2 contingency table: Expiratory Disproportion Index (EDI)

From: The diagnostic accuracy of spirometry as screening tool for adult patients with a benign subglottic stenosis

 

SGS patients

Asthma patient

Total

EDI > 48

44

5

49

EDI < 48

6

27

33

Total

50

32

82

  1. Table 2. Expiratory Disproportion Index (EDI) results for all 82 patients with subglottic stenosis (SGS) of asthma and a cut-off point of EDI > 48. An EDI > 48 would mean a referral for a laryngoscopy, < 48 would mean no referral for a laryngoscopy
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BMC Pulmonary Medicine

ISSN: 1471-2466

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