| patient and session | mean ± SD | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 1/1 | 1/2 | 1/3 | 2/1 | 2/2 | 2/3 | 3/1 | 3/2 | 3/3 | 4/1 | 4/2 | 4/3 | 5/1 | 5/2 | 5/3 |  |
rigid | 0.92 | 0.91 | 0.88 | 0.97 | 0.97 | 0.96 | 0.90 | 0.96 | 0.90 | 0.92 | 0.92 | 0.86 | 0.95 | 0.96 | 0.94 | 0.93 ± 0.03 |
elastic | 0.98 | 0.98 | 0.98 | 0.99 | 0.99 | 0.98 | 0.98 | 0.98 | 0.97 | 0.98 | 0.97 | 0.97 | 0.98 | 0.98 | 0.97 | 0.98 ± 0.01 |