Table 1 Demographic and ecological characteristics of surgical patients
Variable | Tanzanian patients | Refugees | p value |
|---|---|---|---|
N | 2722 | 7767 | Â |
Age category |  |  |  < 0.001 |
 Under 5 | 31 (1.1%) | 79 (1.0%) |  |
 Age 5 to 17 | 273 (10.0%) | 819 (10.5%) |  |
 Age 18 to 29 | 1629 (59.8%) | 4322 (55.6%) |  |
 Age 30 to 44 | 597 (21.9%) | 2026 (26.1%) |  |
 Age 45 to 60 | 78 (2.9%) | 252 (3.2%) |  |
 Age 60 +  | 69 (2.5%) | 145 (1.9%) |  |
 Missing | 45 (1.7%) | 124 (1.6%) |  |
Female sex | 2441 (89.9%) | 7075 (91.3%) | 0.022 |
Nationality |  |  |  < 0.001 |
 DRC | – | 5898 (75.9%) |  |
 Burundi | – | 1714 (22.1%) |  |
 Tanzanian | 2722 (100.0%) | 0 (0.0%) |  |
 Other* | – | 155 (2.0%) |  |
Year |  |  |  < 0.001 |
 2000 | 0 (0.0%) | 6 (0.1%) |  |
 2001 | 35 (1.3%) | 167 (2.2%) |  |
 2002 | 53 (1.9%) | 267 (3.4%) |  |
 2003 | 51 (1.9%) | 206 (2.7%) |  |
 2004 | 85 (3.1%) | 270 (3.5%) |  |
 2005 | 62 (2.3%) | 320 (4.1%) |  |
 2006 | 68 (2.5%) | 276 (3.6%) |  |
 2007 | 61 (2.2%) | 235 (3.0%) |  |
 2008 | 81 (3.0%) | 230 (3.0%) |  |
 2009 | 119 (4.4%) | 258 (3.3%) |  |
 2010 | 133 (4.9%) | 338 (4.4%) |  |
 2011 | 101 (3.7%) | 346 (4.5%) |  |
 2012 | 175 (6.4%) | 391 (5.0%) |  |
 2013 | 220 (8.1%) | 417 (5.4%) |  |
 2014 | 267 (9.8%) | 457 (5.9%) |  |
 2015 | 218 (8.0%) | 607 (7.8%) |  |
 2016 | 170 (6.3%) | 622 (8.0%) |  |
 2017 | 224 (8.2%) | 581 (7.5%) |  |
 2018 | 188 (6.9%) | 633 (8.2%) |  |
 2019 | 259 (9.5%) | 706 (9.1%) |  |
 2020 | 149 (5.5%) | 423 (5.5%) |  |