Table 2.
Antibiotica Prescribing for Uncomplicated UTI in Women Aged ≥18 Years, NAMCS/NHAMCS 2002–2011
| Antibiotic/Antibiotic Class | 2002–2003 | 2004–2005 | 2006–2007 | 2008–2009 | 2010–2011 | All Years | P Valueb |
|---|---|---|---|---|---|---|---|
| Percentage of Visits Resulting in Antibiotic Prescription by Year (N = 7111) | |||||||
| Any antibiotic | 77% | 83% | 82% | 81% | 77% | 80% | .76 |
| Fluoroquinolones | 36% | 46% | 37% | 38% | 37% | 39% | .47 |
| Sulfonamides | 27% | 19% | 26% | 19% | 18% | 22% | .02 |
| Nitrofurantoin | 11% | 15% | 14% | 17% | 18% | 15% | <.01 |
| Cephalosporins | 3% | 2% | 3% | 4% | 3% | 3% | .34 |
| Other | 2% | 2% | 3% | 3% | 2% | 3% | .41 |
| Percentage of Selected Antibiotic Classes Prescribed of All Prescribed Antibiotics (N = 5722) | |||||||
| Fluoroquinolones | 47% | 56% | 46% | 47% | 48% | 49% | .53 |
| Sulfonamides | 35% | 23% | 31% | 24% | 23% | 27% | .02 |
| Nitrofurantoin | 14% | 18% | 17% | 21% | 24% | 19% | <.01 |
| Cephalosporins | 4% | 3% | 4% | 5% | 4% | 4% | .32 |
| Other | 2% | 3% | 4% | 4% | 3% | 3% | .38 |
Abbreviations: NAMCS, National Ambulatory Medical Care Survey; NHAMCS, National Hospital Ambulatory Medical Care Survey; UTI, urinary tract infection.
a Antibiotics included penicillins, cephalosporins, macrolides, fluoroquinolones, lincomycin derivatives, tetracyclines, sulfonamides, and nitrofurantoin. Intravenous antibiotics were excluded. These were as follows: aminoglycosides, carbapenems, nafcillin, oxacillin, penicillin G, ticarcillin/clavulanic acid, piperacillin, piperacillin/tazobactam, vancomycin, and daptomycin.
b The P value for trend is based upon unadjusted logistic regression with time period as a predictor variable.