Table 4 The risk factors for nosocomial infection in RICU
Factors | No | Crude | Adjusted | |||||
|---|---|---|---|---|---|---|---|---|
Patients with infections | Patients without infections | OR | 95%CI | p-value | OR | 95%CI | p-value | |
Age, years | ||||||||
< 60 | 35 | 826 | 1 | 1 | ||||
≥ 60 | 67 | 419 | 0.97 | 0.64~1.49 | 0.892 | 1.43 | 0.81~2.55 | 0.221 |
Gender | ||||||||
Male | 67 | 826 | 1 | 1 | ||||
Female | 35 | 419 | 0.97 | 0.64~1.49 | 0.892 | 0.79 | 0.44~1.41 | 0.423 |
Admission diagnosis | ||||||||
COPD | 31 | 493 | 1 | 1 | ||||
Pneumonia | 43 | 509 | 1.34 | 0.83~2.17 | 0.226 | 0.16 | 0.02~1.26 | 0.082 |
Lung cancer | 21 | 135 | 2.47 | 1.38~4.44 | 0.002 | 0.11 | 0.02~0.80 | 0.059 |
Others | 7 | 108 | 1.03 | 0.44~2.40 | 0.944 | 0.18 | 0.03~1.20 | 0.076 |
ASIS | ||||||||
A | 9 | 212 | 1 | 1 | ||||
B | 27 | 548 | 1.16 | 0.54~2.51 | 0.705 | 1.16 | 0.81~1.66 | 0.412 |
C | 45 | 410 | 2.59 | 1.24~5.39 | 0.011 | 1.44 | 0.92~2.25 | 0.116 |
D | 13 | 60 | 5.10 | 2.08~12.52 | 0.000 | 1.65 | 1.15~2.37 | 0.007 |
E | 8 | 15 | 12.56 | 4.24~37.25 | 0.000 | 5.22 | 2.63~10.38 | 0.000 |
RICU stay, days | ||||||||
<10 | 19 | 756 | 1 | 1 | ||||
10~30 | 33 | 412 | 3.19 | 1.79~5.48 | 0.000 | 2.32 | 1.19~4.65 | 0.018 |
30~60 | 21 | 51 | 16.38 | 8.28~32.41 | 0.000 | 8.93 | 3.17~21.23 | 0.000 |
≥ 60 | 29 | 26 | 44.38 | 22.08~89.21 | 0.000 | 31.25 | 11.80~63.65 | 0.000 |
Diabetes mellitus | ||||||||
No | 35 | 795 | 1 | 1 | ||||
Yes | 67 | 450 | 3.38 | 2.21~5.17 | 0.000 | 1.14 | 0.94~1.38 | 0.183 |
Hypertension | ||||||||
No | 66 | 889 | 1 | 1 | ||||
Yes | 36 | 356 | 1.36 | 0.89~2.08 | 0.153 | 1.06 | 0.88~1.26 | 0.321 |
Cerebrovascular diseases | ||||||||
No | 71 | 895 | 1 | 1 | ||||
Yes | 31 | 350 | 1.12 | 0.72~1.73 | 0.623 | 1.05 | 0.81~1.24 | 0.226 |
Post-operative tumor | ||||||||
No | 82 | 1063 | 1 | 1 | ||||
Yes | 20 | 182 | 1.43 | 0.85~2.38 | 0.177 | 1.06 | 0.87~1.15 | 0.197 |
Trauma | ||||||||
No | 82 | 1187 | 1 | 1 | ||||
Yes | 20 | 58 | 4.99 | 2.87~8.70 | 0.000 | 1.23 | 0.92~1.27 | 0.08 |
Immunosuppressive therapy | ||||||||
No | 13 | 729 | 1 | 1 | ||||
Yes | 89 | 516 | 9.67 | 5.35~17.50 | 0.000 | 1.82 | 1.53~4.06 | 0.013 |
Urinary catheterization | ||||||||
No | 39 | 533 | 1 | 1 | ||||
Yes | 63 | 712 | 1.21 | 0.80~1.83 | 0.369 | 1.27 | 0.94~1.71 | 0.116 |
Central venous catheterization | ||||||||
No | 55 | 753 | 1 | 1 | ||||
Yes | 47 | 492 | 1.31 | 0.87~1.96 | 0.195 | 1.30 | 0.78~2.17 | 0.318 |
Ventilator | ||||||||
No | 78 | 1027 | 1 | 1 | ||||
Yes | 24 | 218 | 1.45 | 0.90~2.34 | 0.13 | 2.70 | 1.33~5.35 | 0.006 |
Endotracheal intubation | ||||||||
No | 83 | 1172 | 1 | 1 | ||||
Yes | 19 | 73 | 3.68 | 2.12~6.38 | 0.000 | 1.28 | 0.81~2.06 | 0.283 |
Tracheotomy | ||||||||
No | 23 | 467 | 1 | 1 | ||||
Yes | 79 | 778 | 1.67 | 1.03~2.69 | 0.036 | 1.14 | 0.78~1.52 | 0.389 |