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. 2021 Dec 3;57(5):318–326. doi: 10.1097/RLI.0000000000000840

TABLE 3.

Baseline Characteristics of Study Population of Analysis I

Children, n = 2978 (2.24%) Adults, n = 86,663 (65.23%) Elderly, n = 43,209 (32.52%) Total, n = 132,850 (100%)
Geographic region
 Europe 1340 (45.0%) 37,991 (43.8%) 24,249 (56.1%) 63,580 (47.9%)
 Asia (excluding China) 1286 (43.2%) 22,907 (26.4%) 7903 (18.3%) 32,096 (24.2%)
 China 345 (11.6%) 25,431 (29.3%) 11,011 (25.5%) 36,787 (27.7%)
 Africa 7 (0.2%) 334 (0.4%) 46 (0.1%) 387 (0.3%)
Concentration
 Iopromide 300 2209 (74.2%) 54,085 (62.4%) 28,275 (65.4%) 84,569 (63.7%)
 Iopromide 370 769 (25.8%) 32,578 (37.6%) 14,934 (34.6%) 48,281 (36.3%)
Sex
 Male 1629 (54.7%) 49,186 (56.8%) 24,171 (55.9%) 74,986 (56.4%)
 Female 1349 (45.3%) 37,477 (43.2%) 19,038 (44.1%) 57,864 (43.6%)
Race
 Asian 838 (28.1%) 34,673 (40.0%) 14,110 (32.7%) 49,621 (37.4%)
 White 210 (7.1%) 4083 (4.7%) 1889 (4.4%) 6182 (4.7%)
 Black 1 (<0.1%) 14 (<0.1%) 9 (<0.1%) 24 (<0.1%)
 Other 3 (0.1%) 117 (0.1%) 44 (0.1%) 164 (0.1%)
 Not specified 1926 (64.7%) 47,776 (55.1%) 27,157 (62.9%) 76,859 (57.9%)
Concomitant disease 997 (33.5%) 38,801 (44.8%) 22,607 (52.3%) 62,405 (47.0%)
 Hypertension arterial 23 (0.8%) 9879 (11.4%) 6817 (15.8%) 16,719 (12.6%)
 Coronary heart disease 25 (0.8%) 5996 (6.9%) 5222 (12.1%) 11,243 (8.5%)
 Diabetes mellitus 5 (0.2%) 5574 (6.4%) 4805 (11.1%) 10,384 (7.8%)
 Reduced general condition 215 (7.2%) 3980 (4.6%) 2737 (6.3%) 6932 (5.2%)
 Specific contrast media risk factor 98 (3.3%) 3347 (3.9%) 1462 (3.4%) 4907 (3.7%)
 Allergy 71 (2.4%) 2467 (2.8%) 1021 (2.4%) 3559 (2.7%)
 Asthma 15 (0.5%) 489 (0.6%) 316 (0.7%) 820 (0.6%)
 Contrast media reaction 16 (0.5%) 515 (0.6%) 186 (0.4%) 717 (0.5%)
 Other 315 (10.6%) 11,715 (13.5%) 7304 (16.9%) 19,334 (14.6%)
 None specified 686 (23.0%) 17,004 (19.6%) 7135 (16.5%) 24,825 (18.7%)
Premedication
 Corticosteroids 138 (4.6%) 7297 (8.4%) 3067 (7.1%) 10,502 (7.9%)
 H1/H2 blocker 64 (2.1%) 2284 (2.6%) 934 (2.2%) 3282 (2.5%)
 H1/H2 blocker or corticosteroids 0 22 (<0.1%) 12 (<0.1%) 34 (<0.1%)
 Other 103 (3.5%) 3756 (4.3%) 1936 (4.5%) 5795 (4.4%)
 None specified 6 (0.2%) 185 (0.2%) 61 (0.1%) 252 (0.2%)
Injection route
 Intravenous 2852 (95.8%) 68,275 (78.8%) 33,892 (78.4%) 105,019 (79.1%)
 Intra-arterial 126 (4.2%) 18,388 (21.2%) 9317 (21.6%) 27,831 (20.9%)
Examination region*
 Abdomen 445 (14.9%) 16,943 (19.6%) 7884 (18.2%) 25,272 (19.0%)
 Cardiac/cardiac vessels 76 (2.6%) 15,539 (17.9%) 7213 (16.7%) 22,828 (17.2%)
 Thorax 365 (12.3%) 8207 (9.5%) 4478 (10.4%) 13,050 (9.8%)
 Pelvis 203 (6.8%) 5284 (6.1%) 2245 (5.2%) 7732 (5.8%)
 Head/brain 425 (14.3%) 4118 (4.8%) 1555 (3.6%) 6098 (4.6%)
 Kidney/renal vessels 161 (5.4%) 2908 (3.4%) 1069 (2.5%) 4138 (3.1%)
 Neck 109 (3.7%) 1893 (2.2%) 564 (1.3%) 2566 (1.9%)
 Blood vessels 53 (1.8%) 1053 (1.2%) 637 (1.5%) 1743 (1.3%)
 Limbs 10 (0.3%) 227 (0.3%) 149 (0.3%) 386 (0.3%)
 Joints 3 (0.1%) 29 (<0.1%) 11 (<0.1%) 43 (<0.1%)
 Other 55 (1.8%) 662 (0.8%) 218 (0.5%) 935 (0.7%)
 Not specified 2 (<0.1%) 3 (<0.1%) 3 (<0.1%) 8 (<0.1%)
 Missing 1607 (54.0%) 39,465 (45.5%) 21,556 (49.9%) 62,628 (47.1%)
Indication*
 Tumor/suspicion of tumor 476 (16.0%) 16,508 (19.0%) 8088 (18.7%) 25,072 (18.9%)
 Pain 175 (5.9%) 5212 (6.0%) 1648 (3.8%) 7035 (5.3%)
 Posttherapy control 117 (3.9%) 4509 (5.2%) 2341 (5.4%) 6967 (5.2%)
 Staging 137 (4.6%) 3194 (3.7%) 1831 (4.2%) 5162 (3.9%)
 Inflammatory diseases 214 (7.2%) 2766 (3.2%) 1011 (2.3%) 3991 (3.0%)
 Infarct/suspicion of infarct 33 (1.1%) 2202 (2.5%) 1146 (2.7%) 3381 (2.5%)
 Hemorrhage 23 (0.8%) 603 (0.7%) 209 (0.5%) 835 (0.6%)
 Trauma 50 (1.7%) 428 (0.5%) 91 (0.2%) 5 (0.4%)
 Other 291 (9.8%) 15,917 (18.4%) 7407 (17.1%) 23,615 (17.8%)
 Not specified 13 (0.4%) 31 (<0.1%) 0 (<0.1%) 54 (<0.1%)
 Missing 1616 (54.3%) 39,692 (45.8%) 21,713 (50.3%) 63,021 (47.4%)
Iodine dose
 ≤20 g 2035 (68.3%) 14,825 (17.1%) 5957 (13.8%) 22,817 (17.2%)
 >20–40 g 870 (29.2%) 56,930 (65.7%) 29,414 (68.1%) 87,214 (65.6%)
 >40–60 g 70 (2.4%) 10,834 (12.5%) 5759 (13.3%) 16,663 (12.5%)
 >60 g 3 (0.1%) 4074 (4.7%) 2079 (4.8%) 6156 (4.6%)
Type of examination
 CT 1297 (43.6%) 35,293 (40.7%) 20,898 (48.4%) 57,488 (43.3%)
 CT (multislice) 730 (24.5%) 21,968 (25.3%) 8574 (19.8%) 31,272 (23.5%)
 Angiocardiography 18 (0.6%) 8577 (9.9%) 3899 (9.0%) 12,494 (9.4%)
 Urography 487 (16.4%) 6659 (7.7%) 2951 (6.8%) 10,097 (7.6%)
 CT (single slice) 230 (7.7%) 2115 (2.4%) 670 (1.6%) 3015 (2.3%)
 Angiography 25 (0.8%) 1099 (1.3%) 672 (1.6%) 1796 (1.4%)
 Phlebography 10 (0.3%) 212 (0.2%) 74 (0.2%) 296 (0.2%)
 DSA 9 (0.3%) 150 (0.2%) 62 (0.1%) 221 (0.2%)
 PTCA 0 116 (0.1%) 49 (0.1%) 165 (0.1%)
 PTA 0 35 (<0.1%) 43 (<0.1%) 78 (<0.1%)
 Other 7 (0.2%) 4464 (5.2%) 2382 (5.5%) 6853 (5.2%)
 Not specified 165 (5.5%) 5975 (6.9%) 2935 (6.8%) 9075 (6.8%)

*Multiple reasons possible.

CT, computed tomography; DSA, digital subtraction angiography; PTA, percutaneous transluminal angioplasty; PTCA, percutaneous coronary angioplasty.