Skip directly to search Skip directly to A to Z list Skip directly to site content
CDC Home

Volume 6, Number 5—October 2000


Antimicrobial-Drug Use and Changes in Resistance in Streptococcus pneumoniae

Daniel J. DiekemaComments to Author , Angela B. Brueggemann, and Gary V. Doern
Author affiliations: University of Iowa College of Medicine, Iowa City, Iowa

Main Article

Table 4

Analysis of covariance model, with change in penicillin resistance at each of the 23 medical centers as the dependent variable

Source Type III sums of squares Parameter estimate (B) F p-value
Overall model 990a 4.8 0.02
Intercept 56 4.5 0.5 0.47
ß-lactam use 893 8.6 8.7 0.008
Macrolide use 553 -6.7 5.4 0.031
Error 2,054
Total 4,616
Corrected total 3,045

aR2 = 0.325

Main Article

Top of Page The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Rd. Atlanta, GA 30333, USA
800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC–INFO