Evens R G, Jost R G
Radiology. 1978 Apr;127(1):151-7. doi: 10.1148/127.1.151.
All operating body computed tomography installations in the United States were surveyed in May 1977; data were obtained from 74 of 118 installations. Utilization and economic data from this survey are compared to similar data from January 1976. Scheduling delay data indicate that computed tomography availability is closer to meeting the clinical demand for CT studies than in January 1976; however, CT demand (as indicated by scheduling delay) is rising at installations with greater than 5 months BCT experience. The estimated annual technical cost of BCT is $359,000--$392,000 with a patient volume of 25--50 patients per week and is higher than the current net technical revenue.
1977年5月对美国所有用于身体检查的计算机断层扫描设备进行了调查；从118台设备中的74台获取了数据。此次调查的使用情况和经济数据与1976年1月的类似数据进行了比较。调度延迟数据表明，计算机断层扫描的可用性比1976年1月更接近满足CT检查的临床需求；然而，在拥有超过5个月脑部计算机断层扫描经验的设备中，CT需求（如调度延迟所示）正在上升。脑部计算机断层扫描的估计年度技术成本为35.9万美元至39.2万美元，每周患者量为25至50人，且高于当前的净技术收入。
