Table 1: Sex, age distribution, and descriptors of disability (6mWT, MRC sum score)

	Overall (N=70)	DM1 (N=21)	DM2 (N=49)	p
Sex 1
Male	22 (31.4%)	11 (52.4%)	1 (22.4%)	0.023
Female	48 (68.6%)	10 (47.6%)	38 (77.6%)
Age 2	52.3 (23.6-67.3)	36.6 (18.4-60.3)	56.0 (25.2-69.1)	0.002
age at onset of disease (N=67)2	35.0 (15.0-56.0)	22.0 (8.0-48.0	40.0 (15.0-58.0)	0.007
MRC sum score2	153.1 (110.8-170.0)	148.0 (119.5-169.0)	153.5 (108.8-170.0)	0.481
6-minute walk test 2 (N=58)	382.5 (90.0-615.0)	347.5 (85.0-605.0)	392.5 (115.0-615.0)	0.444

¹The variables are described in terms of absolute and relative frequencies; statistical testing by Fisher's exact test.

²The variable is described by themedian (5%–95% percentile). Statistical testing by Mann-Whitney U test.