Table 2

Descriptive statistics of hospitals and radiologists

Hospitals (n=5), median (range)
 No of beds, per hospital, surgical department75 (17–144)
 Annual output, surgical department*5930 (1913–18 152)
 No of annual CT exams, per hospital†13 006 (5862–43 584)
 Catchment population, per hospital209 072 (77 836 –471 661)
 No of involved radiologists, per hospital18 (6–31)
 No of reports collected, per hospital194 (43–414)
 Proportion of double reading‡0.33 (0.12–0.47)
Subspecialty of radiologists (n=87), number (%)
 Inexperienced consultant26 (30)
 General radiologist23 (26)
 Abdominal radiologist23 (26)
 Other subspecialty15 (17)
Role of radiologists (n=90), number (%)
 First readings only15 (17)
 Second readings only7 (8)
 Both first and second readings68 (76)
Gender of radiologists (n=90), number (%)
 Female38 (42)

  • *Diagnosis-related group (DRG)−weighted (no of admissions×DRG-index).

  • †Norwegian Classification of Radiological Procedures (NCRP) 2012.

  • ‡Abdominal CT, referred from surgical department, double read by consultants.