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Table 3 Resistance rates for UTI antibiotics in Escherichia coli 1 , voided urine specimens

From: Antimicrobial resistance in urinary pathogens among Swedish nursing home residents remains low: a cross-sectional study comparing antimicrobial resistance from 2003 to 2012

 

2003 (n = 143)2

2012 (n = 117)2

P-value3

Mecillinam

4.2% (6)

7.7% (9)

0.23

Ampicillin

18% (26)

21% (25)

0.52

Cefadroxil

0.0% (0)

2.6% (3)

0.090

Trimethoprim

13% (18)

12% (14)

0.88

Nitrofurantoin

0.70% (1)

0.85% (1)

1.0

Nalidixic acid

12% (17)

Not tested

---

Ciprofloxacin

Not tested

3.4% (4)

---

Classic ESBL4

 

1.7% (2)

 

AmpC5

 

0.85% (1)

 
  1. 1Sparse and significant growth of Escherichia coli.
  2. 2Proportion of resistant Escherichia coli % (number).
  3. 3Pearson chi-square and, when appropriate, Fisher’s exact test.
  4. 4 E. coli producing extended spectrum beta-lactamase enzymes.
  5. 5 E. coli with plasmid mediated AmpC production.