Table3.

Seroprevalence rates and GMTs of EV-D68 neutralizing antibodies among age groups

	1mo–5mo	6mo–1yr	2yr–5yr	6yr–15yr
GMT	25.2(21.0–30.2)a	15.0 (12.0–19.0)	24.7(17.15–35.6)b	71.9(50.8–101.8)c
Seroprevalence rates (%)	79(96/121)	20(33/109)	44 (34/77)	83(65/78)

^aThe seropositive rate of anti-EV-D68 in 6-month-old to 12-month-old infants was obviously lower than that in 1-month-old to 5-month-old infants, p = 0.0084

^bThe seropositive rate of anti-EV-D68 in 6-month-old to 12-month-old infants was obviously lower than that in 2-year-old to 5-year-old children, p = 0.0097

^cThe seropositive rate of anti-EV-D68 in 6-month-old to 12-month-old infants was obviously lower than that in 6-year-old to 15-year-old children, p = 0.0038