Table 3

Study the sensitivity and specificity of PCR method for detection of E. coli
Culture positive Culture negative Total
PCR positive 34*a) 4 c) 38
PCR Negative 0 b) 410**d) 410
Total 34 a+b) 414 c+d) 448

*Sensitivity = <a onClick="popup('http://www.biomedcentral.com/1471-2458/13/556/mathml/M1','MathML',630,470);return false;" target="_blank" href="http://www.biomedcentral.com/1471-2458/13/556/mathml/M1">View MathML</a> = 100%.

**Specificity = <a onClick="popup('http://www.biomedcentral.com/1471-2458/13/556/mathml/M2','MathML',630,470);return false;" target="_blank" href="http://www.biomedcentral.com/1471-2458/13/556/mathml/M2">View MathML</a> = 99%.

Momtaz et al.

Momtaz et al. BMC Public Health 2013 13:556   doi:10.1186/1471-2458-13-556

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