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Table 4 Test-retest reliability of SGRQ-I

From: Validation of the IPF-specific version of St. George’s Respiratory Questionnaire

SGRQ-I n ICC
Total 99 (73.9%) 0.92
Symptoms 105 (78.4%) 0.81
Activities 104 (77.6%) 0.80
Impacts 104 (77.6%) 0.79
  1. Data represent number of stable patients (% of responders, n = 134) and intraclass correlation coefficients (ICCs). SGRQ-I: IPF-specific version of the St. George’s Respiratory Questionnaire