Table 2.
Characteristics of retinal vein thrombosis patients according to age at diagnosis, Denmark, 1997‐2013
| All retinal vein thrombosis patients | 0‐50 y | 50+ y | |
|---|---|---|---|
| N (%) | N (%) | N (%) | |
| Total | 9589 (100.0) | 894 (100.0) | 8695 (100.0) |
| Male sex | 4714 (49.2) | 495 (55.4) | 4219 (48.5) |
| Calendar year of diagnosis | |||
| 1994‐2001 | 3411 (35.6) | 299 (33.4) | 3112 (35.8) |
| 2002‐2009 | 3801 (39.6) | 363 (40.6) | 3438 (39.5) |
| 2010‐2013 | 2377 (24.8) | 232 (26.0) | 2145 (24.7) |
| CCI comorbidity score | |||
| Normal | 6050 (63.1) | 722 (80.8) | 5328 (61.3) |
| Moderate | 2868 (29.9) | 149 (16.7) | 2719 (31.3) |
| Severe | 671 (7.0) | 23 (2.6) | 648 (7.5) |
| Medical history | |||
| Myocardial infarction | 552 (5.8) | 11 (1.2) | 541 (6.2) |
| Heart failure | 460 (4.8) | 9 (1.0) | 451 (5.2) |
| Lower‐extremity deep venous thrombosis or pulmonary embolism | 230 (2.4) | 13 (1.5) | 217 (2.5) |
| Atrial fibrillation or atrial flutter | 668 (7.0) | 11 (1.2) | 657 (7.6) |
| Chronic kidney disease | 217 (2.3) | 25 (2.8) | 192 (2.2) |
| Chronic pulmonary disease | 725 (7.6) | 25 (2.8) | 700 (8.1) |
| Diabetes mellitus | 973 (10.1) | 69 (7.7) | 904 (10.4) |
| Obesity | 322 (3.4) | 39 (4.4) | 283 (3.3) |
| Alcoholism‐related disorders | 189 (2.0) | 30 (3.4) | 159 (1.8) |
| Pregnancy within 90 d | 7 (0.1) | 7 (0.8) | 0 (0) |
| Surgery within 90 d | 3093 (32.3) | 159 (17.8) | 2934 (33.7) |
| Fracture/trauma within 90 d | 253 (2.6) | 22 (2.5) | 231 (2.7) |
CCI, Charlson Comorbidity Index.
Normal (score = 0), moderate (score = 1‐2), or severe (score ≥ 3),