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Computed tomography utilization and charges in 1981

R G Evens, R G Jost

|November 1, 1982

Summary

This summary is machine-generated.

Experienced medical computed tomography (CT) facilities in 1981 reported high patient volumes and increasing use of body CT scans. Faster CT equipment enhanced efficiency and patient throughput.

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Area of Science:

Radiology and Medical Imaging
Health Services Research

Background:

In 1981, 94 experienced medical computed tomography (CT) facilities operated 153 CT units, with all facilities established before 1977.
These represented the most experienced CT facilities in the United States at the time.

Purpose of the Study:

To report on the operational characteristics and utilization patterns of medical CT installations in 1981.
To analyze patient procedure volumes, examination types, contrast material usage, and typical charges.
To assess the impact of scanning speed on CT unit efficiency.

Main Methods:

Data collection from 94 experienced CT installations operating 153 CT units in 1981.
Analysis of study types (head vs. body CT), contrast material use, weekly patient procedures, operating capacity, and typical charges.

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Comparison of efficiency based on scanning times per image.

Main Results:

Head CT constituted 65% of studies, with 68% of body CT focused on the abdomen and pelvis.
Intravenous contrast was used in ~70% of body and 80% of head exams.
Average CT unit performance: 62 procedures/week at 90% capacity; typical charges: $324 (head CT), $362 (body CT).
Faster scanning times (<10 seconds/image) correlated with higher patient throughput.

Conclusions:

CT installations showed increasing patient volumes and a growing proportion of body examinations.
Even highly experienced facilities were experiencing growth in utilization.
Advancements in scanning speed were improving the efficiency of CT examinations.