Summed Scores and Quantitative Defect Size Before and After β-Blockade
| Parameter | Off β-blocker | On β-blocker | P |
|---|---|---|---|
| SSS | 12.0 (7.0–17.0) | 9.0 (6.0–17.5) | 0.03 |
| SDS | 7.0 (2.0–9.5) | 5.0 (0–8.0) | 0.002 |
| Inducible defect size (%) | 32 (13–54) | 20 (2–41) | <0.001 |
| Reversibility size (%) | 18 (9–34) | 6 (0–19) | <0.001 |
Data are presented as median, with interquartile ranges in parentheses.