|
Table 1: Bivariate analysis of clinical factors. |
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|
Variable |
|
Group |
χ2 |
p |
OR |
CI 95% |
||
|
Cases (n, %) |
Controls (n, %) |
Min. |
Max. |
|||||
|
Previous admission |
Yes |
70 (42.20) |
53 (31.9) |
4.95 |
0.02 |
2.29 |
1.09 |
4.55 |
|
|
No |
16 (9.60) |
27 (16.3) |
|
|
|
|
|
|
Previous antibiotic use |
Yes |
51 (30.70) |
9 (5.4) |
5.82 |
0.01 |
2.67 |
1.18 |
6.06 |
|
|
No |
72 (43.34) |
34 (20.5) |
|
|
|
|
|
|
Hospital stay (days) |
≤ 5 days |
24 (14.50) |
13 (7.8) |
2.11 |
0.14 |
1.78 |
0.81 |
3.93 |
|
|
> 6 days |
99 (59.60) |
30 (18.1) |
|
|
|
|
|
|
Simultaneous > 2 antibiotic prescription |
Yes No |
108 (65.10) 15 (9.00) |
33 (19.9) 10 (6.0) |
3.04 |
0.81 |
2.18 |
0.98 |
5.31 |
|
Period of antibiotic use (days) |
≤ 10 days > 10 days |
44 (26.50) 79 (47.60) |
27 (16.3) 16 (9.6) |
9.50 |
0.00 |
3.03 |
1.47 |
6.22 |
|
Admission service |
Surgery |
17 (10.30) |
6 (3.6) |
13.23 |
0.02 |
NA |
– |
– |
|
|
Internal medicine |
16 (9.60) |
14 (8.4) |
|
|
|
|
|
|
|
Gynecology |
4 (2.40) |
1 (0.6) |
|
|
|
|
|
|
|
Pediatry |
2 (1.20) |
3 (1.8) |
|
|
|
|
|
|
|
NICU |
24 (14.50) |
7 (4.3) |
|
|
|
|
|
|
|
ICU |
60 (36.10) |
12 (7.2) |
|
|
|
|
|
|
HAIs |
Yes |
64 (38.60) |
16 (9.6) |
2.8 |
0.09 |
1.81 |
0.89 |
3.73 |
|
|
No |
59 (35.50) |
27 (16.3) |
|
|
|
|
|
|
Analysis of the clinical variables potentially associated to antibiotic multi-resistance. OR = odds ratio, HAIs = health-care associated infections, ICU = Intensive Care Unit, NICU = Neonatal Intensive Care Unit. |
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