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Table 5 RSV-iiiQ Score Responsiveness: Effect-Size Estimates, Observed Score Changes, and Correlation Between Changes (n = 95)

From: Psychometric evaluation of the respiratory syncytial virus infection, intensity and impact questionnaire (RSV-iiiQ) in adults

RSV-iiiQ Score

Effect-Size Estimate

Score Change,

Mean (SD), t (P)

Correlation Between Changes

PGIS Change

PGIC

Respiratory Symptoms

–0.26

–0.19 (0.4), 4.17 (< 0.01)

0.35*

0.22

Systemic Symptoms

–0.24

–0.17 (0.5), 3.54 (0.01)

0.22

0.26

Functional Impacts

–0.32

–0.26 (0.6), 4.55 (< 0.01)

0.31*

0.23

Emotional Impacts

–0.33

–0.29 (0.6), 4.49 (< 0.01)

0.36*

0.11

  1. PGIC = Patient Global Impression of Change; PGIS = Patient Global Impression of Severity; RSV-iiiQ = Respiratory Syncytial Virus Infection, Intensity and Impact Questionnaire; SD = standard deviation
  2. Note: Effect size is calculated as: (change from day 1 to day 2) ÷ (day 1 SD)
  3. * P < 0.01 for H0: ρ = 0
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Health and Quality of Life Outcomes

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