Table 3.

Incidence of SMA in Osaka and Hyogo Prefectures.

Live Birth (n = 1,197,156)	Affected Individuals
	Infants	Fetuses	Total
No. of types I, II and III	28	9	37
Incidence *	2.34 (95%CI: −0.66, 4.53)		3.09 (95%CI: −0.36, 5.20)
No. of type I	14	7	21
Incidence *	1.08 (95%CI: −0.95, 3.20)		1.32 (95%CI: −0.84, 3.92)

* Incidence in 100,000 of population (study period, 2007 to 2016).