The graph below shows the result of a survey of patients who stayed in three different wards* of a hospital. It shows what percentage of the patients replied 'very good' about various aspects of their hospital experience. Summarize the information by selecting and reporting the main features, and make comparisons wherever relevant.

The bar chart illustrates the percentage of patients in three hospital wards—Holly, Maple, and Oak—who rated different aspects of their hospital experience as “very good.” The categories assessed include hospital staff, waiting time, quality of treatment, and quality of aftercare. Overall, Oak Ward received the highest ratings in most categories, particularly in treatment and aftercare […]