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Table 1 Radiologists' ratings of the extent to which suggested causes increase the volume of radiological investigations

From: What causes increasing and unnecessary use of radiological investigations? a survey of radiologists' perceptions

  Number (%) of responses
Suggested cause To a small or very small extent To some extent To a large or very large extent
Increased possibilities due to new radiological technology 2 (0.5) 62 (16.6) 310 (82.9)
Peoples' increased demands for certain knowledge about own health 8 (2.1) 95 (25.4) 271 (72.5)
Referring physicians have less tolerance for uncertainty 16 (4.3) 113 (30.4) 243 (65.3)
Expanded clinical indications for radiology 29 (7.8) 128 (34.4) 215 (57.8)
Increased availability of radiological equipment and personnel 37 (9.9) 142 (37.9) 196 (52.3)
Referring physicians have less competence to perform clinical examinations 54 (14.4) 183 (48.9) 137 (36.6)
Increased risk of litigation against health care providers 72 (19.3) 171 (45.7) 131 (35.0)
Increased demand on health care professionals' effectiveness 97 (26.1) 149 (40.1) 126 (33.9)
Strengthening of patient rights 76 (20.5) 192 (51.8) 103 (27.8)
Referring physicians have less knowledge about accurate use of radiology 90 (24.1) 190 (50.9) 93 (24.9)
Increased demands for documentation from the National Insurance Service or insurance companies 129 (34.7) 167 (44.9) 76 (20.4)
Health service providers' increased competition for patients 174 (46.6) 125 (33.5) 74 (19.8)
People's fascination for technological innovations 189 (50.5) 139 (37.2) 46 (12.3)
Increased focus on economic issues in health care services 213 (57.3) 100 (26.9) 59 (15.9)
Increased morbidity in the population 234 (63.1) 114 (30.7) 23 (6.2)