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Table 1 Comparison of TTP values of the 103 patients in relation to clinical parameters.

From: Time to positivity in blood cultures of adults with Streptococcus pneumoniaebacteremia

Characteristic (n)

TTP

 
 

With the factor

Without the factor

p

Basal characteristics

   

Male (n = 61)

12.06 ± 3.04

11.85 ± 2.84

>0.1

Older than 75 y (n = 41)

11.81 ± 3.64

12.07 ± 2.44

>0.1

Hospitalized (n = 94)

11.79 ± 3.06

13.42 ± 1.08

0.001

Previous antibiotic* (n = 9)

11.3 ± 3.84

12.03 ± 2.87

>0.1

Penicillin susceptible (n = 85)

11.77 ± 2.88

12.8 ± 3.19

>0.1

Comorbidities

   

Alcoholism (n = 17)

12.92 ± 2.48

11.78 ± 3.01

>0.1

COPD (n = 31)

12.61 ± 3.74

11.72 ± 2.56

>0.07

Diabetes (n = 11)

11.77 ± 1.43

11.99 ± 3.07

>0.1

Cirrhosis (n = 7)

11.42 ± 2.63

12 ± 2.98

>0.1

Immunosuppression (n = 5)

9.4 ± 5.2

12.1 ± 2.77

0.05

Dementia (n = 6)

11.63 ± 4.4

11.99 ± 2.89

>0.1

Clinical presentation

   

Confusion (n = 19)

10.36 ± 2.58

12.33 ± 2.68

0.01

Severe sepsis or shock (n = 12)

10.22 ± 3.05

12.2 ± 2.87

0.02

Chills (n = 34)

12.17 ± 2.59

11.88 ± 3.11

>0.1

Bilateral pneumonia (n = 13)

12.24 ± 3.89

11.98 ± 2.80

>0.1

Source of bacteremia

   

Meningitis (n = 7)

7.81 ± 2.1

12.27 ± 2.78

<0.001

Pneumonia (n = 85)

12.19 ± 2.71

11.05 ± 3.72

<0.03

Primary (n = 8)

13.33 ± 3.55

11.85 ± 2.89

>0.1

Outcome

   

ICU (n = 14)

9.22 ± 2.48

12.4 ± 2.79

<0.001

Exitus (n = 13)

11.40 ± 4.17

12.05 ± 2.75

>0.1

  1. * Including ambulatory treatment immediately before blood culture.