Variable | Infection No. % |
No infection No. % |
Chi-Square | P value | ||
---|---|---|---|---|---|---|
ICU length of stay <5 days (n=299) ≥5 days (n=200) |
4 15 |
1.3 7.5 |
295 185 |
98.7 92.5 |
12.4 | 0.000* |
APACHE II score Low risk <15 (n=363) High risk ≥15 (n=114) |
10 9 |
2.8 7.9 |
353 105 |
97.2 92.1 |
5.9 | 0.01* |
Inserted Medical devices Medical devices (n=340) Urinary catheter (n=287) Central venous line (n=310) Mechanical ventilation (n=294) |
15 13 13 16 |
4.4 4.5 4.2 5.4 |
325 274 297 278 |
95.6 95.5 95.8 94.6 |
1.0 0.9 0.3 5.2 |
0.3 0.3 0.5 0.02* |
Site of CVC insertion Jugular (n=430) Subclavian (n=53) Femoral (n=2) Mahurkar (n=14) |
12 6 0 1 |
2.8 11.3 0 7.1 |
418 47 2 13 |
97.2 88.7 100 92.9 |
9.8 | 0.02* |
Place of admission Unknown (n=6) Other hospital (n=33) Same hospital (n=364) Home (n=96) |
0 2 15 2 |
0 6.1 4.1 2.1 |
6 31 349 94 |
100 93.9 95.9 97.9 |
1.5 | 0.6 |