Table 2.

The spatio-temporal gait parameters from GAITRite difference between DM1 and controls.

Spatio-temporal gait parameters	Patients with myotonic dystrophy	Controls	p
Step count	35.4 ± 8.57	26.5 ± 3.5	<0.001
Velocity (m/sec)	0.89 ± 0.19	1.25 ± 0.19	<0.001
Cadence (steps/min)	107.22 ± 17.53	121.03 ± 9.59	<0.01
FAP score	89.3 ± 10.57	94.9 ± 5.76	<0.05
Step time (sec)	0.57 ± 0.02	0.50 ± 0.02	0.001
Stride time (sec)	1.14 ± 0.03	0.99 ± 0.03	0.001
Stance time (sec)	0.72 ± 0.02	0.61 ± 0.02	<0.001
H.O & H.S time (sec)	0.02 ± 0.01	0.13 ± 0.01	<0.001
Step length (cm)	50.19 ± 1.62	61.93 ± 1.62	<0.001
Stride length (cm)	100.86 ± 3.23	124.48 ± 3.23	<0.001
Step extremity ratio	0.6 ± 0.02	0.75 ± 0.02	<0.001
Base of support (cm)	12.28 ± 0.64	8.7 ± 0.64	<0.001

CK, creatine kinase; 6MWT, 6 min walking test; FAP, functional ambulation profile; H.O & H.S time (sec), heel off and heel strike time.