Table 1.

Number of individuals with DMD with major clinical events by age group and glucocorticoid treatment status.

Age group (years)	GC status	n	Fractures	Surgical contracture release	Surgical spine stabilization	KAFO for ambulation	Nutrition with PEG	Invasive ventilation	Noninvasive ventilation
4–6	Naive	26	2 (8)	0	0	0	0	0	0
	Current	27	3 (11)	1 (4)	0	0	0	0	0
7–9	Naive	8	0	0	0	0	0	0	0
	Current	68	8 (12)	2 (3)	1 (1)	0	1 (1)	0	3 (4)
	Past	2	1 (50)	0	0	0	0	0	0
10–12	Naive	6	1 (17)	3 (50)	0	1 (17)	0	0	0
	Current	47	7 (15)	9 (19)	0	5 (11)	0	0	0
	Past	9	4 (44)	1 (11)	0	0	0	0	0
13–15	Naive	9	2 (22)	1 (11)	3 (33)	0	1 (11)	0	0
	Current	30	10 (33)	5 (17)	1 (3)	2 (7)	0	0	0
	Past	12	5 (42)	3 (25)	4 (33)	1 (9)	1 (8)	0	1 (8)
16–18	Naive	4	3 (75)	0	2 (50)	1 (25)	1 (25)	0	2 (50)
	Current	15	8 (53)	5 (33)	5 (33)	5 (33)	1 (7)	0	3 (20)
	Past	10	5 (50)	6 (60)	5 (50)	1 (11)	1 (10)	0	3 (30)
>18	Naive	16	3 (19)	5 (31)	9 (56)	4 (25)	3 (20)	2 (13)	9 (56)
	Current	19	8 (42)	11 (58)	7 (37)	8 (42)	1 (5)	0	6 (32)
	Past	15	7 (47)	7 (47)	10 (67)	5 (33)	1 (7)	1 (7)	4 (47)

Data show number (%) of individuals. GC, glucocorticoid; KAFO, knee–ankle–foot orthoses; PEG, percutaneous endoscopic gastrostomy.