Frequency of bionumbers of <i>Klebsiella pneumoniae</i> isolated from specimens collected January 2009-December 2011 considering the full biochemical phenotype.

<p>The column Discordance indicates the biochemical tests which distinguish each phenotype from the most common phenotype observed.</p

Frequency of positive test results for patient first isolates of <i>Klebsiella pneumoniae</i> considering the 47 biochemical tests and negative control included in the Vitek 2 ID-GNB Panel.

<p>¹ Clopper-Pearson 95% Confidence Interval calculated with SAS.</p><p>² Covariance Parameter Estimates (CPE), n/c = not convergence.</p

Heterogeneity analysis in patients with large numbers of repeat isolates of <i>Klebsiella pneumoniae</i>.

<p>Columns in gray represent the four biochemicals removed to create the reduced biochemical phenotype. Removal of these test results facilitates conclusions about the relatedness of patient isolates.</p

Comparison of the WHONET-SaTScan cluster findings when utilizing full (F) and reduced (R) biochemical phenotypes of <i>Klebsiella pneumoniae</i>.

<p>RI = Recurrence Interval in days.</p

Frequency of bionumbers of <i>Klebsiella pneumoniae</i> isolated from specimens collected January 2009–December 2011, considering the biochemical phenotype without 4 biochemical tests (GGT, TyrA, SUCT and GlyA).

<p>The column Discordance indicates the biochemical tests which distinguish each phenotype from the most common phenotype observed.</p

Covariance Parameter Estimate compared with observed weighted average within-patient variance.

<p>Covariance Parameter Estimate compared with observed weighted average within-patient variance.</p

Biochemical and resistance phenotypes of imipenem-resistant <i>K. pneumoniae.</i>

<p>Number of patients  = 13, Number of isolates  = 24. The antibiotic code indicates that the organism is non-susceptible to the indicated agent. AMP = Ampicillin, CAZ = Ceftazidime, CRO = Ceftriaxone, ETP = Ertapanem, IPM = Imipenem, GEN = Gentamicin, AMK =  Amikacin, CIP = Ciprofloxacin, SXT = Trimethoprim/Sulfamethoxazole.</p

Linear regression (solid line) comparing the observed weighted average within-patient variance by proportion of minority results for 48 biochemical test results.

<p>The dashed line represents the theoretical curve that would be expected if there were no correlation between the results of a patient’s first and second isolates of <i>Klebsiella pneumoniae</i>.</p

Characteristics of MRSA and VRE clusters detected by routine infection control surveillance compared to WHONET-SaTScan.

a<p>Infection Control identification of clusters was limited to wards only.</p

Potential hospital-associated clusters detected using WHONET-SaTScan automated system, 2002–2006.

a<p>Number of days from the first culture associated with the cluster and the date of the first alert.</p>b<p>Number of days between the first and the last alert for a cluster.</p>c<p>Reflects the frequency (d) in which such as cluster is expected to occur by chance alone. Only clusters meeting a threshold recurrence interval of ≥365 d are provided.</p>d–e<p>Indicates same cluster identified by more than one signal type.</p><p>N, no; Y, yes.</p