Research Article

Quantification of Upper Limb Motor Recovery and EEG Power Changes after Robot-Assisted Bilateral Arm Training in Chronic Stroke Patients: A Prospective Pilot Study

Table 3

Within-group training effects on clinical outcome measures.

Friedman’s two-way analysis of variance
T0–T2
Post hoc comparisons
T0-T1
Post hoc comparisons
T0–T2
value value95% CI
Mean (LB, UP)
value95% CI
Mean (LB, UP)

Primary outcome
Fugl-Meyer (0–66)0.0080.0273.28 (1.23, 5.33)0.017°2.85 (1.05, 4.66)
Secondary outcomes
Action Research Arm Test (0–57)n.s.n.s.4.00 (−3.08, 11.08)n.s.1.14 (−0.95, 3.24)
Motricity Index upper limb (0–100)0.0090.049.14 (1.28, 16.99)0.046.28 (0.87, 11.69)
Barthel Index (0–100)n.s.n.s.1.42 (−0.82, 3.68)n.s.2.14 (−1.49, 5.78)
Modified Ashworth Scale (0–16)0.0020.017°−1.78 (−2.43, −1.13)0.02−1.5 (−1.87, −1.12)
Stroke Impact Scale (0–800)n.s.n.s.11.18 (−19.19, 41.56)n.s.7.11 (−18.71, 32.94)

T0: baseline assessment; T1: after training; T2: 1-month follow-up; CI: confidence interval; LB: lower bound; UP: upper bound; n.s.: not significant. value significant at ≤0.05; value significant at ≤0.025.