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Assessment of publication bias.
| Outcome | P-value of Begg’s test | P-value of Egger’s test |
| GLS | 0.837 | 0.140 |
| GCS | 0.620 | 0.414 |
| GLS_A4C | >0.999 | 0.312 |
| GLS_A3C | >0.999 | – |
| GLS_A2C | >0.999 | – |
| LVEF | 0.266 | 0.440 |
GCS, global circumferential strain; GLS, global longitudinal strain; GLS_A2C, global longitudinal strain_apical two-chamber; GLS_A3C, global longitudinal strain_apical three-chamber; GLS_A4C, global longitudinal strain_apical four-chamber; LVEF, left ventricular ejection fraction.
