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Table 1 Schedule of assessments during the study

From: A protocol for prospective observational study to determine if non-anaemic iron deficiency worsens postoperative outcome in adult patients undergoing elective cardiac surgery: the IDOCS study

Assessment Pre-anaesthetic assessment Day of surgery Intra-operative Day 3 post-operative Discharge from acute care Day 30 postoperative Day 45 postoperative* Day 90 postoperative
Eligibility criteria ×        
Patient characteristics   ×       
Medical history   ×       
EQ-5D-5L   ×     ×   
WHODAS 2.0   ×       ×
FBE ×    ×    ×  
Iron studies ×        
CRP ×        
EuroSCORE-II   ×       
Intraoperative data    ×      
Requirement for allogeneic blood products    × × × ×   
QoR-15     ×     
Primary endpoint       ×   
Secondary endpoint of special significance         ×
Mortality/readmission      × ×   ×
Complications      × ×   ×
Patient off study         ×
  1. WHODAS World Health Organization Disability Assessment Schedule, FBE full blood examination, CRP C-reactive protein, EuroSCORE European System for Cardiac Operative Risk Evaluation, QoR quality of recovery
  2. *Assessment performed in one centre only