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Volume 15, Number 8—August 2009

Dispatch

Invasive Group B Streptococcal Disease in the Elderly, Minnesota, USA, 2003–2007

Neelay J. KothariComments to Author , Craig A. Morin, Anita Glennen, Delois Jackson, Jane Harper, Stephanie J. Schrag, and Ruth Lynfield
Author affiliations: Minnesota Department of Health, St. Paul, Minnesota, USA (N.J. Kothari, C.A. Morin, A. Glennen, J. Harper, R. Lynfield); University of Minnesota, Minneapolis, Minnesota, USA (N.J. Kothari); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (D. Jackson, S.J. Schrag)

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Table 2

Susceptibility of invasive GBS disease to erythromycin and clindamycin, Minnesota, 2003–2007*

Susceptibility No. (%) case-patients
p value†
2003
(N = 133) 2004
(N = 127) 2005
(N = 131) 2006
(N = 143) 2007
(N = 121)
Erythromycin susceptible 95 (71.4) 86 (67.7) 87 (66.4) 90 (62.9) 71 (58.7) 0.023
Clindamycin susceptible 114 (85.7) 105 (82.7) 108 (82.4) 116 (81.1) 92 (76.0) 0.057

*GBS, group B streptococcal.
†χ2 test for trend.

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