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Volume 14, Number 8—August 2008
Dispatch

Increased Amoxicillin–Clavulanic Acid Resistance in Escherichia coli Blood Isolates, Spain

Jesús Oteo*, José Campos*†Comments to Author , Edurne Lázaro‡, Óscar Cuevas*, Silvia García-Cobos*, María Pérez-Vázquez*, F. J. de Abajo‡, , and Spanish Members of EARSS1
Author affiliations: *Instituto de Salud Carlos III, Madrid, Spain; †Consejo Superior de Investigaciones Científicas, Madrid; ‡Agencia Española del Medicamento y Productos Sanitarios, Madrid;

Main Article

Table

Association of AMC nonsusceptibility of Escherichia coli from blood with gender, age, infection origin, and resistance to other antimicrobial agents, Spain, 2003–2006*

VariableAMC nonsusceptibility, %Odds ratio95% Confidence intervalp value
Gender
Male13.61.23
1.08–1.39
0.001
Female
11.4
Age
<14 y14.21.12
0.83–1.52
0.51
>14 y
12.8
Infection origin
Nosocomial13.81.18
1.04–1.34
0.012
Community
12.0
Antimicrobial susceptibility
Ciprofloxacin susceptible9.02.932.59–3.32<0.0001
Ciprofloxacin resistant22.5
Gentamicin susceptible11.52.642.22–3.14<0.0001
Gentamicin resistant25.6
ESBL-negative11.53.402.84–4.08<0.0001
ESBL-positive30.7

*AMC, amoxicillin-clavulanic acid; ESBL, extended-spectrum β-lactamase.

Main Article

1Spanish Members of EARSS (European Antimicrobial Resistance Surveillance System: E. Loza, F. Baquero (Hospital Ramón y Cajal), D. Fontanals (Corporació Sanitària Parc Taulí), P. Berdonces (Hospital Galdakao), R. Moreno (Hospital General de Castellón), P. López and G. Royo (Hospital General Universitario de Elche), J. Lite and J. Garau (Hospital Mutua de Terrassa), G. Megías-Lobón and E. Ojeda (Hospital General Yagüe), C. Miranda and M.D. Rojo (Hospital Universitario Virgen de la Nieves), A. Fleites (Hospital Central de Asturias), C. Amores (Hospital San Agustín), P. Teno (Hospital San Pedro de Alcántara), M. Menéndez-Rivas (Hospital Infantil del Niño Jesús), M.M. Pérez-Moreno and I. Buj (Hospital Verge de la Cinta), F. Merino and Á. Campos (Hospital de Soria), M.T. Pérez-Pomata and A. González (Hospital General Universitario de Guadalajara), B. Fernández and A. Tinajas (Complexo Hospitalario de Ourense), E. Garduño and R. Jimenez (Hospital Infanta Cristina), C. Raya and C. Fuster (Hospital del Bierzo), M.F. Brezmes and J. Rodríguez-Hernández (Hospital Virgen de la Concha), M.T. Cabezas (Hospital de Poniente), P. Álvarez, V. Pulian and M. García-Campello (Complejo Hospitalario de Pontevedra), I. Wilhemi (Hospital Severo Ochoa), F.J. Vasallo-Vidal (Hospital do Meixoeiro), A. Delgado-Iribarren (Fundación Hospital de Alcorcón), P. Peña (Hospital La Paz), M. José Gastañares (Hospital San Millán), A. Yagüe and N. Gonzalo (Hospital Vega Baja), M.D. Crespo and J.J. Palomar (Complejo Hospitalario de Albacete), L. Marco and M.J. Revillo (Hospital Miguel Servet), N. Montiel (Hospital Costa del Sol), A. Pinedo (Hospital Virgen de la Victoria), J. A. Lepe (Hospital Río Tinto), J.C. Alados (Hospital de Jerez), M. Rodríguez (Hospital Puerto Real), E. Martín (Hospital Valme), I. Cuesta (Hospital Ciudad de Jaén), V. Gallardo (Consejería de Salud de la Junta de Andalucía), J. Calvo and L. Martínez (Hospital Marqués de Valdecilla), and A. Yagüe (Hospital La Plana).

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