Table 1 The effect of early intravenous metoprolol on infarct and remote zone strain
Infarct zone circumferential strain (%) | Remote zone circumferential strain (%) | |||||||
|---|---|---|---|---|---|---|---|---|
1 week | 6 months | MD [95% CI] | P-value* | 1 week | 6 months | MD [95% CI] | P-value* | |
Metoprolol (N = 97) | −9.9 ± 7.6 | − 15.7 ± 7.5 | −5.7 [− 6.8 to − 4.6] | < 0.001 | −19.7 ± 3.6 | − 19.2 ± 4.1 | 0.6 [− 0.2 to 1.3] | 0.153 |
Control (N = 94) | −7.2 ± 10.1 | −13.2 ± 8.3 | −6.0 [− 7.7 to − 4.2] | < 0.001 | − 19.3 ± 7.5 | − 19.3 ± 3.7 | 0.0 [− 1.4 to 1.4] | 0.984 |
MD [95% CI] | −2.7 [− 5.3 to − 0.1] | −2.5 [− 4.7 to − 0.2] | −0.5 [− 2.1 to 1.2] | 0.1 [− 1.0 to 1.2] | ||||
P-value† | 0.038 | 0.033 | 0.589 | 0.876 | ||||