Table 4 Follow-up left ventricular ejection fraction (LVEF) data for 24 MA-CMP patients following treatment advice
|  | Metamphetamine cessation (n = 11) | Continued metamphetamine use (n = 13) | p-value |
|---|---|---|---|
Change in EF, % | 16 (5 to 22) | 3.1 (− 12 to 34) | 0.003 |