Table 3

Samples influencing laboratory performance*

Sample

p-value

Odds-ratio

95% confidence interval

overall

0.001

7

1

1

0.001

10.3

2.6 – 41.4

6

0.001

33.1

4.0 – 275.7

8

0.002

7.4

2.1 – 26.6

10

0.001

10.3

2.6 – 41.4

11

0.001

15.4

3.1 – 76.8

12

0.009

4.6

1.5 – 14.4

* Multivariate logistic regression analyses. All samples shown had a significant influence on performance (see text for details).

Niedrig et al. BMC Infectious Diseases 2007 7:72   doi:10.1186/1471-2334-7-72