The Danish Cardiac Rehabilitation Database

Figures & data

Figure 1 Datasets and level of data collection.

Note: Reprinted from J Cardiopulm Rehabil Prev, 27(5), Thomas RJ, King M, Lui K, et al, AACVPR/ACC/AHA 2007 performance measures on cardiac rehabilitation for referral to and delivery of cardiac rehabilitation/secondary prevention services, 260–290,⁶ Copyright ©2007, with permission from Elsevier.
Abbreviations: CABG, coronary artery bypass grafting; CR, cardiac rehabilitation; PCI, percutaneous coronary intervention.

Table 1 Main variables collected as part of the Danish Cardiac Rehabilitation Database (patient-level and program-level data) by 2015

Variable	Description
Patient-level data
Descriptive data
Sociodemographics	Sex, age, education, marital status, cohabitation status, driving license
Clinical descriptors	CHD characteristic, LVEF, cardiac rhythm, anthropomorphic measures
Severity of disease	NYHA, CCS
Comorbidity	COPD, DM, nephropathy, alcohol intake, other
Psychosocial aspects	Screening for depression, labor market attachment, sick leave

Outcome measures	Proportion of patients	Standard
Referral to CR	With IHD assessed for eligibility	>90%
Participation in CR	Participating in CR among all patients with diagnosed IHD, admitted to a department of cardiology	>35%
	With IHD continuing rehabilitation among CR participants	>75%
Exercise capacity	With IHD completing at least 80% of planned training sessions	>70%
	With IHD offered training sessions at the hospital, gaining at least 10% in exercise capacity in a bicycle test or 6-minute walking test	>80%
Smoking	With IHD nonsmoking at completion of CR among patients smoking at admission prior to rehabilitation	>60%
Dietary treatment	With IHD receiving dietary treatment by a clinical dietitian/Master of Science in Clinical Nutrition, at completion of CR	Undecided
LDL-cholesterol	With IHD which at the end of CR program has LDL-cholesterol <1.8 mmol/L or a 50% decrease	>60%
Blood pressure	With IHD which at the end of CR program has a consultation blood pressure below 140/90 mmHg	>70%
Screening for DM	With IHD and without diagnosed diabetes by admission, screened for diabetes at the end of CR	>90%
Screening for depression	With acute coronary syndrome who has been screened for depression by completion of CR	>80%
Antithrombotic therapy	With IHD receiving antiplatelet treatment by completion of CR	>95%
Statin therapy	With IHD receiving statin therapy by completion of CR	>80%
Beta-blocker therapy (without heart failure)	With acute coronary syndrome receiving beta-blocker treatment by completion of CR	>80%

Variable	Description
Program-level data
Referral procedures	How are patients referred to CR, how long after discharge is the patient enrolled in CR program, how long after discharge are the physical training sessions started, onward referral
Program content	Which elements of CR are offered, for example, physical training, assessment of physical fitness, patient education, psychosocial support, dietary treatment, screening for diabetes, smoking cessation
Organization	Staff, number of patients, number of beds
Safety and documentation	Procedures related to safety during CR and documentation of effect

Note: A full list of variables is available in Danish at the Web site of the database (http://www.kcks-vest.dk/kliniske-kvalitetsdatabaser/hjerterehabilitering/).

Abbreviations: CCS, Canadian Cardiovascular Society; CHD, coronary heart disease; COPD, chronic obstructive pulmonary disease; CR, cardiac rehabilitation; DM, diabetes mellitus; IHD, ischemic heart disease; LDL, low-density lipoprotein; LVEF, left ventricular ejection fraction; NYHA, New York Heart Association.

Figure 2 Quality of care continuum in cardiac rehabilitation and secondary prevention.

Note: Zwisler AD, Bjarnason-Wehrens B, McGee H, et al. Eur J Prev Cardiol: 19(2). pp. 143–150,¹³ copyright ©2012 by SAGE Publications. Reprinted by permission of SAGE Publications, Ltd.

ThomasRJKingMLuiKAACVPR/ACC/AHA 2007 performance measures on cardiac rehabilitation for referral to and delivery of cardiac rehabilitation/secondary prevention servicesJ Cardiopulm Rehabil Prev200727526029017885506

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ZwislerADBjarnason-WehrensBMcGeeHCan level of education, accreditation and use of databases in cardiac rehabilitation be improved? Results from the European Cardiac Rehabilitation Inventory SurveyEur J Prev Cardiol201219214315021450586

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