Table 1.

Study population characteristics.

Characteristic	MPP (n = 810)	Non MPP (n = 370)	P-value
Age (y)	6.8 ± 3.1	3.8 ± 3.7	0.002
Male, n (%)	421(51.9)	195(52.7)	0.816
Macrolides therapy, n (%)	675(83.3)	202(54.6)	0.000
Course, n (%)			0.000
≤7 days	301(37.2)	220(59.5)	\
>7 days	509(62.8)	150(40.5)	\

MPP, Mycoplasma pneumoniae pneumonia.