Table 4.

Comparison of the microscopy and nPCR

	Microscopy
	Positive		Negative		Total
	n	%	n	%	n	%
nPCR
Positive	11	73.3	4	26.7	15	9.8
Negative	0	0.0	138	100.0	138	90.2
Total	11	7.2	142	92.8	153	100.00