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Table 4 Relationships between ECG abnormalities and chemotherapy regimens

From: The association between early-onset cardiac events caused by neoadjuvant or adjuvant chemotherapy in triple-negative breast cancer patients and some novel autophagy-related polymorphisms in their genomic DNA: a real-world study

Chemotherapy regimen Total (cases) ST-T segment abnormalities Elevated myocardial enzymes Arrhythmia QRS pattern or duration abnormalities
No. of events [cases (%)] χ2 P value No. of events [cases (%)] χ2 P value No. of events [cases (%)] χ2 P value No. of events [cases (%)] χ2 P value
Anthracycline-based 22 12 (54.5) 6.977 0.008 0 (0) 0.020 0.889 4 (18.2) 2.519 0.112 4 (18.2) 1.224 0.269
Taxane-based 56 13 (23.2) 2.331 0.127 1 (1.8) 0.001 0.980 21 (37.5) 0.179 0.672 2 (3.6) 2.687 0.001
Anthracycline–taxane-based 66 19 (28.8) 0.188 0.665 3 (4.5) 0.515 0.430 25 (37.9) 0.329 0.566 8 (12.1) 0.938 0.333
Others 3 1 (33.3) 0.000 1.000 0 0.000 1.000 2 (66.7) 0.287 0.592 0 0.000 1.000