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Table 2 Prognostic values of age and semi-quantitative bacteruria count (s-QBC) for differentiating cases of acute GBS UTI and ABU

From: Prognostic value of semi-quantitative bacteruria counts in the diagnosis of group B streptococcus urinary tract infection: a 4-year retrospective study in adult patients

Testing Model†

s-QBC*

Age*

Constant

% Correct#

Univariate (s-QBC)

    

Continuous s-QBC

1.13x10-5

NA

-1.776

74.3%

C/O: 103, 104 or 105

0.92-1.10

NA

-1.13-2.02

74.3%

Univariate (Age)

    

Continuous Age

NA

0.025

-2.24

74.7%

Multivariate

    

Continuous s-QBC

1.04x10-5

0.021

-2.59

74.7%

C/O: 103, 104 or 105

0.76-0.87

0.022-4

-2.32-2.97

74.7%

  1. † C/O: Cut-off value applied for s-QBC in CFU/ml. * Values in columns represent p values. # Correct classification of cases as acute GBS UTI or ABU infection category as determined by the testing model.
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BMC Infectious Diseases

ISSN: 1471-2334

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