Table 5 Associations between the evolution of MDS UPDRS scores and FoG onset during the 5-year follow up

Evolution of MDS UPDRS scores at year one (pre-FoG n = 64, non-FoG n = 112)

  Change of MDS-UPDRS part I

1.09

0.97

1.22

0.147

  Change of MDS-UPDRS part II

1.09

1.00

1.18

0.050

  Change of MDS-UPDRS part III

1.02

0.98

1.06

0.288

Evolution of MDS UPDRS scores at year two (pre-FoG n = 65, non-FoG n = 111)

  Change of MDS-UPDRS part I

1.18

1.07

1.30

0.001*

  Change of MDS-UPDRS part II

1.22

1.10

1.34

 < 0.001*

  Change of MDS-UPDRS part III

1.03

0.98

1.07

0.221

Evolution of MDS UPDRS scores at year three (pre-FoG n = 68, non-FoG n = 111)

  Change of MDS-UPDRS part I

1.08

1.00

1.17

0.041

  Change of MDS-UPDRS part II

1.11

1.03

1.20

0.004*

  Change of MDS-UPDRS part III

1.03

1.00

1.06

0.084

Evolution of MDS UPDRS scores at year four (pre-FoG n = 65, non-FoG n = 112)

  Change of MDS-UPDRS part I

1.19

1.10

1.29

< 0.001*

  Change of MDS-UPDRS part II

1.11

1.04

1.19

0.001*

  Change of MDS-UPDRS part III

1.04

1.01

1.07

0.003*

Evolution of MDS UPDRS scores at year five (pre-FoG n = 69, non-FoG n = 116)

  Change of MDS-UPDRS part I

1.11

1.03

1.19

0.005*

  Change of MDS-UPDRS part II

1.13

1.06

1.20

< 0.001*

  Change of MDS-UPDRS part III

1.03

1.00

1.07

0.038*