Factors associated with VTE occurrence among study participants at EDs of AaBET, TASH and SPHMMC from June to September 2023 (n=422)
| Variables | Category | VTE event N (%) | CHR (95% CI) | P value | AHR (95% CI) | P value | |
| Yes | No | ||||||
| Gender | Female Male | 11 (61.1%) 7 (38.9%) | 193 (47.8%) 211 (52.2%) | 1.928 (0.747 to 4.977) | 0.175 | 1.073 (0.367 to 3.142) | 0.897 |
| Physically active | Yes No | 1 (5.6%) 17 (94.4%) | 296 (73.3%) 108 (26.7%) | 0.36 (0.051 to 1.269) | 0.001 | 0.67 (0.08 to 1.579) | 0.014 |
| Comorbidity | Yes No | 17 (94.4%) 1 (5.6%) | 302 (74.8%) 102 (25.2%) | 6.08 (0.821 to 45.754) | 0.075 | 1.482 (0.157 to 12.889) | 0.731 |
| Cancer | Yes No | 12 (66.7%) 6 (33.3%) | 74 (18.3%) 330 (81.7%) | 5.89 (2.207 to 17.72) | <0.001 | 5.13 (1.24 to 21.092) | 0.023 |
| Infection | Yes No | 17 (94.4%) 1 (5.6%) | 182 (45%) 222 (55%) | 19.19 (2.513 to 144.2) | 0.004 | 8.169 (1.045 to 63.844) | 0.045 |
| Physical prophylaxis advised | Yes No | 5 (27.8%) 13 (72.2%) | 181 (44.8%) 223 (55.2%) | 0.614 (0.212 to 1.727) | 0.151 | 0.671 (0.209 to 2.125) | 0.520 |
| Age ≥70 year | Yes No | 7 (38.9%) 11 (61.1%) | 77 (19.1%) 327 (80.9%) | 2.152 (0.833 to 5.55) | 0.013 | 2.13 (0.512 to 8.874) | 0.210 |
| Pharmacological prophylaxis given | Yes No | 2 (11.1%) 16 (88.9%) | 108 (26.7%) 296 (73.3%) | 0.118 (0.271 to 0.581) | 0.005 | 0.167 (0.037 to 0.763) | 0.021 |
AaBET, Addis Ababa Burn Emergency and Trauma Hospital; EDs, emergency departments; SPHMMC, St. Paulos Hospital Millennium Medical College; TASH, Tikur Anbesa Specialized Hospital; VTE, venous thromboembolism.