Research Article

[Retracted] Cardiac Rehabilitation Improves Long-Term Prognosis for People with Chronic Kidney Disease Undergoing Percutaneous Coronary Intervention: A Propensity Matching Analysis

Table 1

Demographical characteristics and clinical data of the coronary rehabilitation group and the noncoronary rehabilitation group before propensity score match.

VariablesThe coronary rehabilitation group (n = 106)The noncoronary rehabilitation group (n = 140) value

Demographics
 Age (y, mean ± SD)58.4 ± 17.565.7 ± 17.20.001
 Gender (male %)65 (61.3%)76 (54.3%)0.299
 BMI (kg/m−2)22.8 ± 3.124.0 ± 3.20.003
 Smoking (%)37 (34.9%)48 (34.3%)1.000
Most recent MI0.011
 <24 h24 (22.6%)54 (38.6%)
 1–7 d17 (16.0%)19 (13.6%)
 >7 d25 (23.6%)15 (10.7%)
 Never40 (37.7%)52 (37.1%)
 Unstable angina76 (71.7%)92 (65.7%)0.336
 Prior percutaneous coronary intervention16 (15.1%)32 (22.9%)0.145
 Prior CABG13 (12.3%)25 (17.9%)0.286
Contemporary percutaneous coronary intervention0.001
 Emergency percutaneous coronary intervention23 (21.7%)51 (36.4%)
 Urgent percutaneous coronary intervention43 (40.6%)65 (46.4%)
 Elective percutaneous coronary intervention40 (37.7%)24 (17.1%)
 Drug-eluting stent48 (45.3%)39 (27.9%)0.007
 GP IIb/IIIa use66 (62.3%)76 (54.3%)0.241
 LVEF49.1 ± 12.253.3 ± 11.40.006
Comorbidities
 Heart failure31 (29.2%)19 (13.6%)0.004
 Hypertension66(62.3%)65 (46.4%)0.015
 Diabetes mellitus22 (20.8%)27 (19.3%)0.872
 Chronic lung disease26 (24.5%)31 (22.1%)0.760
 Cerebrovascular disease1 (0.9%)6 (4.3%)0.244
 Tumor8 (7.5%)5 (3.6%)0.249

BMI, body mass index; MI, myocardial infarction; CABG, coronary artery bypass graft; LVEF, left ventricular ejection fraction.