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Table 2 Absolute number of examinations and average examinations per day during each wave of the COVID-19 pandemic

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

 

Wave 1 (35 days)

Wave 2 (50 days)

Wave 3 (41 days)

2020/21: Total number of exams (mean per day)

26,967 (770.5)

46,300 (926.0)

42,124 (1027.4)

2018/19: Total number of exams (mean per day)

42,107 (1203.1)

57,674 (1153.5)

50,718 (1237.0)

Timepoint of Acquisition

Regular working hours

21,642 (80.3%)

37,783 (81.6%)

33,796 (80.2%)

Weekends / holidays / night shifts

5325 (19.7%)

8517 (18.4%)

8328 (19.8%)

Emergency rooms and out-patient centers

Out-patient centers

5114 (19.0%)

11,403 (24.6%)

11,224 (26.6%)

ER

4876 (18.1%)

7844 (16.9%)

7390 (17.5%)

Other

16,977 (63.0%)

27,053 (58.4%)

23,510 (55.8%)

Modality

Sonography

2305 (8.5%)

4757 (10.3%)

5058 (12.0%)

X-Ray

8239 (30.6%)

14,467 (31.2%)

14,544 (34.5%)

MRI

4039 (15.0%)

6595 (14.2%)

5753 (13.7%)

CT

7022 (26.0%)

11,890 (25.7%)

9796 (23.3%)

Other

5362 (19.9%)

8591 (18.6%)

6973 (16.6%)

  1. Wave 1: 16-03-2020–19-04-2020; Wave 2: 11-12-2020–29-01-2021; Wave 3: 21-04-2021–31-05-2021
  2. ER, emergency room; MRI, magnetic resonance imaging; CT, computed tomography