Table 4 Demographic and clinical characteristics of MDR bacteria
|  | MSSA (n = 89) | MRSA (n = 68) | χ2 | p | ECO(ESBL−) (n = 53) | ECO(ESBL+) (n = 151) | χ2 | p |
|---|---|---|---|---|---|---|---|---|
Age | 2.451 | 0.484 | Â | 3.871 | 0.274 | |||
 <  20 | 10 | 11 |  | 2 | 5 |  | ||
 20–39 | 14 | 15 | 3 | 23 | ||||
 40–59 | 47 | 32 | 23 | 66 | ||||
 ≥ 60 | 18 | 10 | 25 | 57 | ||||
Gender | 0.077 | 0.781 | Â | 0.316 | 0.574 | |||
 Male | 65 | 51 |  | 28 | 73 |  | ||
 Female | 24 | 17 | 25 | 78 | ||||
Smoking (n, %) | 5 (5.6) | 6 (8.8) | 0.215 | 0.643 | 7 (13.2) | 22 (14.6) | 0.060 | 0.807 |
Alcohol (n, %) | 7(7.9) | 9(13.2) | 1.215 | 0.270 | 6 (11.3) | 13 (8.6) | 0.096 | 0.757 |
Diabetes (n, %) | 6 (6.7) | 7 (10.3) | 0.641 | 0.424 | 7 (13.2) | 15 (9.9) | 0.437 | 0.509 |
Hypertension (n, %) | 7 (7.9) | 6 (8.8) | 0.047 | 0.829 | 12 (22.6) | 26 (17.2) | 0.761 | 0.383 |
Disease entities | ||||||||
 Open fracture | ||||||||
  Gustillo I | 7 | 9 | 3.151 | 0.076 | 5 | 9 | 0.028 | 0.868 |
  Gustillo II | 7 | 8 | 2.283 | 0.131 | 4 | 9 | 0.000 | 1.000 |
  Gustillo III A | 3 | 5 | 1.637 | 0.201 | 3 | 8 | 0.000 | 1.000 |
  Gustillo III B | 1 | 5 | 4.178 | 0.041 | 1 | 3 | 0.069 | 0.793 |
  Gustillo III C | 1 | 6 | 5.666 | 0.017 | 1 | 2 | 0.332 | 0.564 |
  Degenerative disease (n, %) | 25 (28.1) | 14 (20.6) | 1.162 | 0.281 | 11 (20.8) | 59 (39.1) | 5.840 | 0.016 |