Table 3.

Performance of molecular diagnosis compared with serology for the detection of Mycoplasma pneumoniae

		Serology
		Positive	Negative	Total
PCR	Positive	75/88a	30/17a	105
	Negative	72	199	271
	Total	147/160a	229/216a	376
	Sensitivity	51%/55%a
	Specificity	87%/92%a
	Overall agreement	73%/76%a

^aPatients that showed seroconversion (second serology with a positive result). PCR performed from nasopharyngeal aspirates.