Table 3 Association of imipenem resistant isolates with type of clinical specimens
Isolate | Sample | (N) | Imipenem | Chi value | OR | p-value | |
|---|---|---|---|---|---|---|---|
R | S | ||||||
Escherichia coli | Wound | 65 | 22 | 43 | 23.013 | 0.276 [0.159–0.478] | 0.000 |
Fluids & Effusion | 13 | 3 | 10 | – | 0.123 [0.027–0.553] | 0.007 | |
Tips & Catheters | 6 | 5 | 1 | – | 1.833 [0.192–17.48] | 1.00 | |
Urine | 79 | 34 | 45 | 0.894 | 0.756 [0.422–1.351] | 0.344 | |
Sputum | 12 | 5 | 7 | 0.096 | 0.824 [0.242–2.806] | 0.757 | |
Others | 14 | 4 | 10 | – | 0.403 [0.290–0.559] | 0.070 | |
Acinetobacter spp. | Wound | 130 | 92 | 38 | 7.16 | 1.79 [1.16–2.75] | 0.006 |
Fluids & Effusion | 13 | 11 | 2 | – | 6.67 [1.26–35.28] | 0.021 | |
Tips & Catheters | 22 | 17 | 5 | 0.171 | 1.32 [0.35–4.97] | 0.679 | |
Urine | 21 | 11 | 10 | 0.265 | 1.27 [0.51–3.15] | 0.606 | |
Sputum | 25 | 15 | 10 | 2.73 | 2.17 [0.85–5.50] | 0.098 | |
Others | 13 | 10 | 3 | – | 4.38 [1.05–18.17] | 0.056 | |
Klebsiella spp. | Wound | 71 | 43 | 28 | 0.004 | 0.983 [0.59–1.64] | 0.947 |
Fluids & Effusion | 11 | 6 | 5 | 0.031 | 0.88 [0.22–3.49] | 0.861 | |
Tips & Catheters | 10 | 7 | 3 | – | 0.75 [0.16–3.52] | 0.700 | |
Urine | 58 | 25 | 33 | 0.534 | 0.79 [0.43–1.48] | 0.465 | |
Sputum | 30 | 13 | 17 | 0.110 | 0.86 [0.36–2.06] | 0.740 | |
Others | 10 | 4 | 6 | – | 0.59 [0.15–2.35] | 0.504 | |
Pseudomonas spp. | Wound | 221 | 142 | 79 | 1.84 | 1.29 [0.89–1.85] | 0.174 |
Fluids & Effusion | 7 | 5 | 2 | – | 2.12 [0.36–12.38] | 0.680 | |
Tips & Catheters | 9 | 6 | 3 | – | 0.62 [0.13–2.99] | 0.674 | |
Urine | 29 | 19 | 10 | 4.669 | 2.44 [1.06–5.58] | 0.031 | |
Sputum | 23 | 9 | 14 | 0.547 | 0.69 [0.27–1.81] | 0.459 | |
Others | 20 | 11 | 9 | 0.210 | 1.29 [0.43–3.84] | 0.647 | |