Fig 1.
Study flow diagram.
Table 1.
The basic characteristics of the included studies.
Fig 2.
Forest plot of the incidences of anthracycline-induced arrhythmia and abnormal electrocardiogram changes in breast cancer.
Table 2.
Subgroup analysis based on publication year, sample size, and dose and duration of administration.
Table 3.
Subgroup analysis based on arrhythmia.
Fig 3.
The funnel plot.
Fig 4.
Begg’s test(P = 0.103).
Fig 5.
Egger’s test (P = 0.083).