Characteristics | All CT scans (n=513 162) | CT scans referred by GP (n=228 522) | CT scans referred by the hospital (n=284 640) | Missing values | P-value (χ2 test) |
---|---|---|---|---|---|
Age, n (%) | 0 | <.0001 | |||
18-45 years | 113 376 (22.1) | 48 591 (21.3) | 64 785 (22.8) | ||
46-59 years | 119 654 (23.3) | 52 929 (23.2) | 66 725 (23.4) | ||
60-79 years | 94 850 (40.5) | 94 850 (41.5) | 112 792 (39.6) | ||
≥80 years | 32 152 (14.1) | 32 152 (14.1) | 40 338 (14.2) | ||
Gender, n (%) | 0 | 0.0016 | |||
Female | 262 958 (51.2) | 117 664 (51.5) | 145 294 (51.0) | ||
Male | 250 204 (48.8) | 110 858 (48.5) | 139 346 (49.0) | ||
Country of origin, n (%) | 0 | <.0001 | |||
Danish | 467 068 (91.0) | 209 222 (91.6) | 257 846 (90.6) | ||
Western descent | 15 935 (3.1) | 6 805 (3.0) | 9 130 (3.2) | ||
Non-western descent | 30 159 (5.9) | 12 495 (5.5) | 17 664 (6.2) | ||
Education, n (%) | 15 240 | <.0001 | |||
Low | 183 915 (36.9) | 82 101 (36.9) | 101 814 (36.9) | ||
Medium | 203 898 (41.0) | 91 752 (41.3) | 112 146 (40.7) | ||
High | 110 109 (22.1) | 48 377 (21.8) | 61 732 (22.4) | ||
Affiliation to work market, n (%) | 33 | <.0001 | |||
Employed | 181 309 (35.3) | 83 278 (36.4) | 98 031 (34.4) | ||
Unemployed/social benefits | 90 709 (17.7) | 37 556 (16.4) | 53 153 (18.7) | ||
Under education | 13 536 (2.6) | 5 257 (2.3) | 8 279 (2.9) | ||
Retired/other | 227 575 (44.4) | 102 417 (44.8) | 125 158 (44.0) | ||
Cohabitation status, n (%) | 0 | <.0001 | |||
Married or cohabiting | 305 835 (59.6) | 140 971 (61.7) | 164 864 (57.9) | ||
Single/living alone | 207 327 (40.4) | 87 551 (38.3) | 119 776 (42.1) | ||
Region of residence, n (%) | 0 | <.0001 | |||
Northern DK | 70 310 (13.7) | 36 444 (16.0) | 33 866 (11.9) | ||
Central DK | 106 933 (20.8) | 53 746 (23.5) | 53 187 (18.7) | ||
Southern DK | 131 864 (25.7) | 69 047 (30.2) | 62 817 (22.1) | ||
Capital DK | 142 697 (27.8) | 49 112 (21.5) | 93 585 (32.9) | ||
Zealand DK | 61 358 (12.0) | 20 173 (8.8) | 41 185 (14.5) | ||
Non-cancer morbidity, n (%) | 0 | <.0001 | |||
No morbidities | 360 620 (70.3) | 175 955 (77.0) | 184 665 (64.9) | ||
One morbidity | 102 549 (20.0) | 37 186 (16.3) | 65 363 (23.0) | ||
Two morbidities | 33 517 (6.5) | 10 624 (4.7) | 22 893 (8.0) | ||
Three or more morbidities | 16 476 (3.2) | 4 757 (2.1) | 11 719 (4.1) |