Table 2.
Group Comparison of Motor Assessments
| PS (mean ± sd) |
non-PS (mean ± sd) |
HC (mean ± sd) |
Main ANCOVA (controlling for age) |
Post Hocs | ANCOVA non-PS vs PS patients (controlling for age, medication & PANSS negative) |
|
|---|---|---|---|---|---|---|
| Expert rating, mSRRS | 10.7 ± 3.1 | 3.0 ± 1.5 | .2 ±.6 | F(2, 134) = 289.7, P < .001 |
PS vs HC: P < .001*** non-PS vs HC: P < .001*** |
F(1, 91) = 77.3, P < .001*** |
| Self-report, IPAQ | 1394 ± 2338 | 1150 ± 1099 | 3390 ± 4444 | F(2, 134) = 7.0, P = .001 |
PS vs HC: P = .003** non-PS vs HC: P = .010** |
F(1, 91) = 0.1, P = .784 |
| Actigraphy, counts/h | 13045 ± 5052 | 18793 ± 7644 | 20343 ± 7039 | F(2, 124) = 19.1, P < .001 |
PS vs HC: P < .001*** non-PS vs HC: P = .771 |
F(1, 81) = 4.1, P = .045*. |
| Gait velocity, m/s | 102.4 ± 22.3 | 114.5 ± 16.3 | 126.6 ± 17.6 | F(2, 131) = 20.0, P < .001 |
PS vs HC: P < .001*** non-PS vs HC: P = .039* |
F(1, 88) = 1.0, P = .314 |
| CR Dom | 11.0 ± 3.7 | 12.4 ± 3.1 | 14.4 ± 3.4 | F(2, 131) = 12.3, P < .001 |
PS vs HC: P < .001*** non-PS vs HC: P = .052 |
F(1, 88) = 0.04, P = .846 |
| CR non-Dom | 9.7 ± 3.2 | 11.1 ± 2.2 | 12.7 ± 3.3 | F(2, 131) = 12.6, P < .001 |
PS vs HC: P < .001*** non-PS vs HC: P = .121 |
F(1, 88) = 0.4, P = .550 |
Note: Post Hoc tests with Sidak correction for multiple comparisons. PS, Patients with Psychomotor Slowing; non-PS, Patients without Psychomotor Slowing; HC, Healthy controls.