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Table 1 Demographic and ecological characteristics of surgical patients

From: Humanitarian surgical service utilization by a host country population: comparing surgery patterns between refugees and Tanzanians using an interrupted time-series analysis

Variable Tanzanian patients Refugees p value
N 2722 7767  
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%)  
  1. *Other includes individuals classified as Rwandan or broadly as “refugee’