Table 2.

Clinical characteristics of individuals living with SMA in Australia.

	Type 1 (n = 42)	Type 2 (n = 75)	Type 3 (n = 64)	Type 4 (n = 2)	Presymptomatic (n = 7)
Gender, number (%)
Male	18 (43)	41 (55)	29 (45)	1	3
Female	24 (57)	34 (45)	35 (55)	1	4
Age, years
Median (IQR)	4.6 (2.1–6.8)	15.0 (8.2–33.2)	30.5 (14.6–45.5)	59.7 (53.9–65.4)	2.8 (1.3–9.3)
Age group, number (%)
Children	38 (90)	37 (49)	23 (36)	0	7
Adults	4 (10)	38 (51)	41 (64)	2	0
Current motor function, number (%)
Non sitter	13 (31)	28 (37)	7 (11)	0	0
Sitter	24 (57)	44 (59)	29 (45)	1	4
Walker	5 (12)	3 (4)	28 (44)	1	3