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Table 4 Test–retest reliability of SGRQ-Ider

From: Validation of a derived version of the IPF-specific Saint George’s Respiratory Questionnaire

SGRQ-Ider

n

ICC

Total

99 (73.9%)

0.91

Symptoms

105 (78.4%)

0.77

Activities

104 (77.6%)

0.80

Impacts

104 (77.6%)

0.76

  1. Data represent number of stable patients (% of responders, n = 134) and intraclass correlation coefficients (ICCs) [5]
  2. SGRQ-Ider: IPF-specific version of the St. George’s Respiratory Questionnaire derived from results from the original St. George’s Respiratory Questionnaire