Table 1.

Patient characteristics of the confirmed intussusception cases

	Confirmed IS cases [N = 862]
Age at onset, months
Mean ± SD	4.17 ± 2.47
Median (minimum; maximum)	3.84 (0; 32.04)
Sex
Male	486 (56.4)
Female	350 (40.6)
Unknown	26 (3.0)
Dose
First	404 (46.9)
Second	290 (33.6)
Anya	696 (80.7)
Unknown	166 (19.3)

Data are expressed as number (%) of cases in each category unless otherwise specified

IS intussusception, N number of confirmed cases, SD standard deviation

^aNote that an extra third dose was administered in a few instances