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Table 1 Timing of treatment visits and data collection

From: Efficacy and safety of traditional Chinese medicine in patients with acute exacerbation of idiopathic pulmonary fibrosis: study protocol for randomized, controlled, exploratory clinical trial

  Baseline Treatment Follow-up
Day 0 Day 7 Week 2 Week 4 Week 8 Week 12 Week 16
V1 V2 V3 V4 V5 V6 V7
Sign informed consent ×       
Randomization ×       
Medical history ×       
Intervention × × ×     
Primary outcome        
 Treatment failure rate   × × ×    
 All-cause mortality   × × × × × ×
Secondary outcomes        
 Length of hospitalization   × × ×    
 Overall survival   × × × × × ×
 Acute exacerbation rate      × × ×
 Intubation rate   × × × × × ×
 mMRC × × × ×    ×
 SGRQ-I × × × ×    ×
 Arterial blood gas analysis × × × ×    
  1. Abbreviations: mMRC Modified British Medical Research Council, SGRQ-I The St George’s Respiratory Questionnaire for Idiopathic Pulmonary Fibrosis