Multivariate Analysis of Variance (MANOVA) Using the GLM Multivariate Procedure

As part of the initial treatment for myocardial infarction (MI, or "heart attack"), a thrombolytic, or "clot-busting", drug is sometimes administered to help clear the patient's arteries before surgery. Three of the available drugs are alteplase, reteplase, and streptokinase. Alteplase and reteplase are newer, more expensive drugs, and a regional health care system wants to determine whether they are cost-effective enough to adopt in place of streptokinase. One of the benefits of thrombolytic drugs is that surgery generally proceeds more smoothly, resulting in a shorter recovery period. If the newer drugs are effective, then patients given those drugs should have shorter lengths of stay in the hospital. Hopefully, the shorter lengths of stay will help to make up for the greater initial cost of the newer drugs.

The data file patlos_sample.sav, contains the treatment records of a sample of patients who received thrombolytics during treatment for MI. See the topic Sample Files for more information. Use GLM Multivariate to perform a multivariate analysis of variance on the length of stay and treatment costs.

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