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Table 3 Spatio-temporal gait parameters in the different walking conditions for mild and severe subgroups of PD subjects

From: Effect of optical flow versus attentional strategy on gait in Parkinson's Disease: a study with a portable optical stimulating device

Group

Parameter

Condition

  

Baseline

BOF

FOF

AS

Mild PD

Cadence [step/min]

105.1 (16.6)

110.8 (17.9)

113.3 (15.0)

100.2 (20.8)

 

Stride length [%BH]

55.8 (7.3)

54.8 (7.7)

55.7 (7.8)

60.4 (8.9)

 

Velocity [%BH/s]

49.2 (11.8)

50.9 (13.0)

53.2 (13.3)

50.1 (13.4)

Severe PD

Cadence [step/min]

112.6 (12.8)

111.2 (15.5)

108.9 (19.2)

94.4 (10.1)

 

Stride length [%BH]

45.9 (14.1)

48.0 (9.3)

48.8 (7.9)

55.0 (10.3)

 

Velocity [%BH/s]

42.8 (13.8)

44.6 (11.3)

44.5 (11.5)

43.3 (9.3)

  1. Mean values and SD (in brackets). Statistically significant differences between conditions and baseline are reported in fig. 3. BOF = backward optic flow, FOF = forward optic flow, AS = attentional strategy. BH = body height.