A multi-center randomized, controlled, open-label trial evaluating the effects of eosinophil-guided corticosteroid-sparing therapy in hospitalised patients with COPD exacerbations – The CORTICO steroid reduction in COPD (CORTICO-COP) study protocol

Table 1 Data collected at baseline and follow-up visits

Data collected	Study period
Data collected	Baseline	1-month	3-month
Demographics	X
Daily blood glucose measurements	X
Daily leukocyte differential count^a	X
Arterial blood gases and Chest X-ray	X
Testing for diabetes (HbA1c)	X	X
Spirometry	X (day 1 + day 3)	X	X
Height measurement & vital signs	X
Weight measurement	X	X	X
Vitamin D and PTH levels	X		X
COPD Assessment Test (CAT)	X	X	X
Medical Research Council Dyspnoea Scale	X	X	X
Bone Turnover Markers (CTX, P1NP)	X	X	X
Questionnaire on general health condition		X	X
Pregnancy test	X

ISSN: 1471-2466