This document discusses various standards and indices used to measure hospital utilization. It defines utilization as how a community uses available hospital resources. Commonly used standards include resource utilization, control standards, intangible standards, and inventory levels. Control standards are classified as output, activity, and financial ratios. The document also outlines several quantitative indices to measure hospital utilization, including bed occupancy rate, bed turnover rate, bed turnover interval, average length of stay, and bed distribution ratios.