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Insights into Imaging
Fig. 5 | Insights into Imaging

Fig. 5

From: Changes of radiological examination volumes over the course of the COVID-19 pandemic: a comprehensive analysis of the different waves of infection

Fig. 5

Incidence Rate Ratios unstratified and stratified by ER and outpatients for inter- and intra-year comparison of the study periods, along with 95% CI, derived from the negative binominal regression. The number of examinations was reduced by about 10% over the whole study. When compared to wave 1, examination volumes were about 17% higher during wave 2, indicating a lower impact of the two latter waves on examination volumes. The impact was even lower when only analyzing examinations attributed to outpatient visits, where 55% more examinations were registered in wave 2 and 87% in wave 3 most likely due to postponed examinations from wave 1. (ER, Emergency rooms; CI, confidence intervals)

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