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

Figure 4

Kaplan-Meier curve for secondary endpoints before (a, b, c) and after (d, e, f) propensity score matching patients in the β-blocker and the no β-blocker group.

(a)

(b)

(c)

(d)

(e)

(f)