Table 1 Clinical characteristics of patients during 2008 and 2015
|  | 2008–2012 (n = 239) | 2012–2015 (n = 263) | P |
|---|---|---|---|
Gender | |||
 Male | 169 (70.71%) | 188 (71.48%) | 0.849 |
Age (years) | 44.85 ± 14.99 | 48.05 ± 15.62 | 0.020 |
  ≤ 16 | 6 (2.51%) | 3 (1.14%) | 0.248 |
 17–32 | 49 (20.50%) | 41 (15.59%) | 0.152 |
 33–48 | 88 (36.82%) | 96 (36.50%) | 0.941 |
 49–64 | 76 (31.80%) | 81 (30.80%) | 0.809 |
  ≥ 65 | 20 (8.37%) | 42 (15.97%) | 0.010 |
Patient location | |||
 ICU | 150 (62.76%) | 123 (46.77%) | <0.001 |
Fistula location, | |||
 Upper gastrointestinal | 107 (45.15%) | 98 (37.26%) | 0.073 |
 Lower gastrointestinal | 106 (44.35%) | 150 (57.03%) | 0.005 |
 Both | 19 (7.95%) | 15 (5.70%) | 0.317 |
Co-morbidities | |||
 Hypertension | 39 (16.32%) | 57 (21.67%) | 0.128 |
 Diabetes | 20 (8.37%) | 30 (11.41%) | 0.256 |
 Cancer | 16 (6.69%) | 42 (15.97%) | 0.001 |
 IBD | 8 (3.35%) | 16 (6.08%) | 0.151 |
 Lung Injury | 33 (13.81%) | 45 (17.11%) | 0.308 |
 Renal Injury | 22 (9.21%) | 44 (16.73%) | 0.013 |
30-day mortality | 66 (27.62%) | 74 (28.14%) | 0.896 |