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Volume 18, Number 2—February 2012

CME ACTIVITY

Invasive Pneumococcal Disease and Pandemic (H1N1) 2009, Denver, Colorado, USA

George E. NelsonComments to Author , Kenneth A. Gershman, David L. Swerdlow, Bernard W. Beall, and Matthew R. Moore
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (G.E. Nelson, D.L. Swerdlow, B.W. Beall, M.R. Moore); Colorado Department of Health and the Environment, Denver, Colorado, USA (K.A. Gershman)

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Table 3

Blood culture practices of 13 laboratories for samples from patients with invasive pneumococcal disease, Denver, Colorado, USA, September–-October 2008 and 2009*

Laboratory ID Change in procedures Sep–Oct 2008

Sep–Oct 2009
Change in cultures prepared, no. (%) % change for SPN+
No. cultures No. (%) SPN+ No. cultures No. (%) SPN+
1 None 935 3 (0.3) 1,095 3 (0.3) 160 (17) 0
2 None 5,634 11(0.2) 6,515 5 (0.1) 881 (16) −50
3 None 141 0 297 6 (2) 156 (111) NC
4 None 2,301 3 (0.1) 2,454 6 (0.2) 153 (7) 100
5 BC on all 3 shifts 2,007 4 (0.2) 2,480 8 (0.3) 473 (24) 50
6 BC on all 3 shifts 1,233 0 1,917 2 (0.1) 684 (55) NC
7 2009 Feb 1: new blood culture system 2,008 4 (0.2) 2,391 9 (0.4) 383 (19) 100
8 None 2,072 5 (0.2) 2,188 4 (0.2) 116 (6) 0
9 None 1,538 1 (0.1) 1,768 2 (0.1) 230 (15) 0
10 2009 Oct: changed antiseptic 2,423 4 (0.2) 2,407 15 (0.6) −16 (−1) 200
11 None 820 4 (0.5) 1,079 10 (0.9) 259 (32) 80
12 None 1,456 6 (0.4) 2,178 6 (0.3) 722 (50) −25
13 None 3,405 5 (0.1) 3,390 9 (0.3) −15 (0) 200
Total 25,973 50 (0.2) 30,159 85 (0.3) 4,186 (16) 50

*ID, identification; SPN+, positive for Streptococcus pneumoniae; NC, the percentage increase from 0 to 2 specimens could not be calculated; BC, blood culture.

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