Research Paper Volume 8, Issue 5 pp 860—872

Figure 2b. Effect of usual care and exercise training on rehospitalization. Decision-tree analysis developed by CHAID (Chi-squared Automatic Interaction Detector) to assess the risk of rehospitalization including dichotomized variables such as age, gender, BMI, 6MWT distance, ADL, IADL and QoL score as predictors. TCG=training care group; UCG=usual care group. P value adj. = p-value of the chi-square test, adjusted by Bonferroni's correction. DF = degree of freedom.