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Table 2 Study assessments

From: Item selection, reliability and validity of the Shortness of Breath with Daily Activities (SOBDA) questionnaire: a new outcome measure for evaluating dyspnea in chronic obstructive pulmonary disease

Criterion measuresa

Study visit 1 (Day 1)

Daily on eDiary (Days 1–28)

Weekly on eDiary

Study visit 2 (Day 29 + 3)

Participant-completed

 CRQ-SAS

X

  

X

 SGRQ-C

X

  

X

 mMRC dyspnea severity

X

  

X

 Global Assessment of Shortness of Breath

 

X

  

 PGAC

  

X

 

Clinician-completed

 mMRC dyspnea severity

X

  

X

 CGI-S

X

   

 CGI-C

   

X

Respiratory impairment and exercise capacity

Pre- and post-bronchodilator spirometry

X

  

X

6-MWTb

X

  

X

RPE (post-6-MWT)

X

  

X

MBD (pre- and post-6-MW)

X

  

X

Oxygen saturation (pre- and post-6-MWT)

X

  

X

  1. aCRQ-SAS.
  2. bThe 6-MWT was completed by a subset of patients.
  3. 6-MWT 6-Minute Walk Test.
  4. CGI-C Clinician Global Impression of Change.
  5. CGI-S Clinician Global Assessment of Dyspnea Severity.
  6. CRQ-SAS Chronic Respiratory Questionnaire Self-Administered Standardised.
  7. MBD Modified Borg Dyspnea Scale.
  8. mMRC Modified Medical Research Council Grading System.
  9. PGAC Participant Global Assessment of Change.
  10. RPE Rating of Perceived Exertion scale.
  11. SGRQ-C St. George’s Respiratory Disease Questionnaire for COPD Patients.