Abu-Haniyeh A, et al. - Experts ascertained factors that could predict improvement in metabolic equivalents of task (METs) based on formal exercise testing throughout phase II cardiac rehabilitation (CR). They used the SF-36 questionnaire to assess quality-of-life. Independent predictors of METs improvement were measured via univariate and multivariate regression analyses. Most patients, across all ages, genders, and levels of baseline fitness, demonstrated improvement in cardiorespiratory fitness in this large cohort of phase II CR patients. Findings suggested a negative association of METs improvement with BMI, diabetes, LV dysfunction, and poor baseline fitness; they noted a positive association with SF-36 score.