Table 4 Correlations between feasibility measures and demographic/clinical characteristics. In the table, spearman rank correlation coefficients are reported. Values in bold indicate statistically significant correlation (* p < 0.05; **p < 0.01; *** p < 0–001)
|  | Age | Time since stroke | Education level | FMA-UE motor score | FMA-UE sensation | NRS | ΔFMA-UE |
|---|---|---|---|---|---|---|---|
Likert scale | − 0.048 | 0.076 | − 0.332 | 0.621** | 0.135 | − 0.416 | − 0.002 |
SUS | 0.155 | − 0.272 | − 0.213 | − 0.058 | 0.014 | − 0.298 | 0.218 |
TAM + enjoyment | − 0.001 | − 0.001 | − 0.156 | 0.339 | 0.372 | 0.01 | 0.071 |
TAM + aesthetic | − 0.117 | 0.046 | − 0.047 | 0.097 | − 0.05 | 0.251 | − 0.129 |
TAM + control | 0.164 | 0.178 | − 0.052 | 0.147 | − 0.066 | 0.018 | 0.134 |
TAM + trust | 0.149 | 0.003 | − 0.163 | − 0.084 | 0.063 | 0.476* | − 0.289 |
TAM + perceived usefulness | − 0.25 | − 0.092 | − 0.233 | 0.112 | − 0.11 | − 0.09 | − 0.127 |
TAM + intention to use | − 0.331 | 0.236 | 0.112 | 0.316 | 0.202 | − 0.128 | − 0.11 |
TAM + ease of use | − 0.158 | 0.067 | 0.002 | 0.182 | − 0.179 | − 0.634** | 0.345 |
TAM + attitude | − 0.1 | 0.27 | − 0.137 | 0.31 | 0.333 | − 0.116 | 0.072 |