Table 2.

Comparison of diagnosis results of Mycoplasma pneumoniae-specific antibody IgM, C-reactive protein, and procalcitonin by single detection and combined detection (n).

Diagnostic results	Mycoplasma pneumoniae-specific antibody IgM		C-reactive protein		Procalcitonin		Joint detection		Total
	Positive	Negative	Positive	Negative	Positive	Negative	Positive	Negative
Positive	68	28	60	36	33	63	76	20	96
Negative	6	90	2	94	1	95	0	96	96
Total	74	118	62	130	34	158	76	116	192