Table 5.
Objective effects of intervention. Values are medians (interquartile ranges)
Variable
|
Intervention group
|
Control group
|
Between group significance*
|
|||||
---|---|---|---|---|---|---|---|---|
Baseline
|
3 months
|
Change
|
Baseline
|
3 months
|
Change
|
|||
Gait score† | 16 (13 to 17) (n=130) | 14 (13 to 16) (n=117) | −1 (−5 to 4) (n=117) | 15 (12 to 17) (n=144) | 15 (13 to 17) (n=125) | 0 (−4 to 4) (n=125) | Baseline P=0.431, 3 months P=0.215, change in score P=0.022 | |
Environmental risk factors | 2 (1 to 4) (n=130) | 1 (0 to 2) (n=124) | −1 (−4 to 3) (n=124) | 2 (1 to 3) (n=144) | 2 (1 to 3) (n=135) | −0 (−2 to 2) (n=135) | Baseline P=0.575, 3 months P=0.027, change in score P<0.001 | |
Drop in orthostatic pressure on active standing (mm Hg)‡ | −36 (−54 to −27) (n=40) | −12 (−25 to 4) (n=36) | 27 (−41 to 92) (n=36) | −38 (−54 to −31) (n=39) | −22 (−43 to −4) (n=34) | 19 (−54 to 93) (n=34) | Baseline P=0.388, 3 months P=0.086, change in score P=0.186 | |
Asystole (s)§ | 4.9 (4.0 to 6.3) (n=18) | 0.8 (0.8 to 1.5) (n=14) | −3.5 (−8.1 to 1.1) (n=14) | 5.1 (4.6 to 6.3) (n=18) | 2.2 (2.0 to 3.3) (n=15) | −1.8 (−5.0 to 1.3) (n=15) | Baseline P=0.834, 3 months P=0.004, change in score P=0.026 |
Mann-Whitney U test.
Gait component of modified performance orientated mobility assessment; lower score better.
Only patients with orthostatic hypotension on active standing at baseline.
Only patients with cardioinhibitory carotid sinus hypersensitivity at baseline; paced rhythm counted as 0.8 s.