Research Article

Associations between β-Blocker Therapy at Discharge and Long-Term Follow-Up Outcomes in Patients with Unstable Angina Pectoris

Table 5

Multivariate Cox regression analysis of secondary endpoints.

UnivariateMultivariate
HR (95% CI) valueABC
HR (95% CI) valueHR (95% CI) valueHR (95% CI) value

Age (years)1.07 (1.06, 1.08)<0.0011.07 (1.05, 1.08)<0.0011.05 (1.04, 1.07)<0.0011.05 (1.04, 1.06)<0.001
Male (%)0.89 (0.68, 1.09)0.205
Stroke (%)1.86 (1.43, 2.43)<0.0011.44 (1.10, 1.88)0.0081.38 (1.09, 1.76)0.0081.3861.08, 1.70)0.009
Heart rate (bpm)1.02 (1.01, 1.03)<0.0011.02 (1.01, 1.03)<0.0011.01 (1.00, 1.02)0.0021.01 (1.00, 1.02)<0.001
hsCRP (mg/L)1.03 (1.02, 1.05)<0.0011.02 (1.00, 1.03)0.0271.02 (1.00, 1.03)0.0341.02 (1.00, 1.03)0.026
HbA1C (%)1.14 (1.06, 1.23)<0.0011.09 (1.01, 1.19)0.0321.15 (1.07, 1.23)<0.0011.15 (1.07, 1.22)<0.001
LVEF ≥ 50%RefRefRefRef
40% ≤ LVEF < 50%2.63 (1.67, 4.15)<0.0011.94 (1.21, 3.10)0.0061.69 (1.10, 2.61)0.0171.78 (1.19, 2.66)0.005
LVEF < 40%6.41 (3.92, 10.49)<0.0016.24 (3.76, 10.35)<0.0014.42 (2.69, 7.29)<0.0014.25 (2.65, 6.81)<0.001
LM (%)2.06 (1.53, 2.78)<0.0011.47 (1.08, 2.00)0.0161.39 (1.06, 1.84)0.019
Multivessels (%)3.58 (2.19, 5.85)<0.0012.47 (1.50, 4.08)<0.0012.30 (1.51, 3.52)<0.0012.28 (1.56, 3.37)<0.001
CTO (%)2.03 (1.50, 2.76)<0.001
β-Blockers at discharge (%)1.41 (1.07, 1.85)0.013

A, present all-cause death/HF; B, present all-cause death/HF/nonfatal MI; C, present all-cause death/HF/nonfatal MI/nonfatal stroke. MI, myocardial infarction; HbAIC, glycosylated hemoglobin; hsCRP, hypersensitivity C-reactive protein; LVEF, left ventricular ejection fraction; LM, left main trunk; CTO, chronic total occlusions.