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Related Experiment Video

Updated: Jul 20, 2026

In Situ Soil Moisture Sensors in Undisturbed Soils

In Situ Soil Moisture Sensors in Undisturbed Soils

Published on: November 18, 2022

[CT utilisation in Switzerland: frequency and secular trends].

B Midez¹, A Aroua, F R Verdun

¹IUMSP Institut universitaire de médecine sociale et préventive, 17 rue du Bugnon, CH-1005 Lausanne, Switzerland.

Journal De Radiologie

|August 29, 2006

Summary

Computed tomography (CT) examinations in Switzerland significantly increased between 1998 and 2004. This study highlights the growing use of CT scans and aims to optimize their application.

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Area of Science:

Radiology
Medical Imaging
Public Health

Background:

Computed tomography (CT) is a crucial diagnostic imaging modality.
Understanding the trends in CT utilization is essential for healthcare planning and resource allocation.

Purpose of the Study:

To analyze the frequency and progression of CT examinations in Switzerland.
To identify descriptive variables influencing CT utilization patterns.

Main Methods:

Data collected from administrative records, a nationwide inquiry, and Swiss university hospitals.
Analysis of CT examination frequency in 1998 and trends over time.
Inclusion of data from both hospitals and private radiology practices.

Main Results:

CT scanner numbers rose by 7% from 1998 to 2004.
In 1998, CT examinations averaged 46.3 per 1000 population.
Skull CTs were most common (24%); spine CTs were more frequent in private practices. Pediatric CTs stabilized at 5%.

Conclusions:

A significant increase in CT examinations was observed in Switzerland.
The study aims to raise physician awareness regarding CT utilization for optimization.
Further research may explore factors driving these trends and their clinical implications.