Table 3.
Comparison of RobottDCS and RobotSham kinematic and kinetic metrics at admission, discharge, and follow-up for the wrist
| WRIST | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Admission | Discharge | Follow-up | ||||||||
| Robotic Task | Metric | RobottDCS mean (SD) |
RobotSham mean (SD) |
Group Comparison (P value) |
RobottDCS mean (SD) |
RobotSham mean (SD) |
Group Comparison (P value) |
RobottDCS mean (SD) |
RobotSham mean (SD) | Group Comparison (P value) |
|
Unconstrained trained pointing (macro-metrics) |
Deviation (radians) | .165 (.121) | .147 (.136) | .312 | .145 (.124) | .134 (.135) | .292 | .148 (.112) | .134 (.132) | .328 |
| Speed shape | .290 (.060) | .305 (.061) | .240 | .332 (.069) | .349 (.067) | .237 | .343 (.070) | .339 (.064) | .731 | |
|
Unconstrained trained pointing (micro-metrics) |
Sub-movement number | 9.308 (7.216) | 8.103 (6.908) | .083 | 6.931 (3.547) | 8.076 (5.350) | .744 | 7.891 (5.566) | 7.479 (4.741) | .548 |
| Sub-movement overlap (s) | .175 (.138) | .182 (.126) | .346 | .206 (.152) | .178 (.084) | .648 | .217 (.179) | .179 (.112) | .735 | |
| Sub-movement interpeak interval (s) | .251 (.151) | .260 (.189) | .333 | .260 (.172) | .231 (.115) | .280 | .266 (.189) | .225 (.118) | .269 | |
| Pointing against resistance | Maximum displacement (radians) | .176 (.083) | .179 (.081) | .525 | .190 (.083) | .204 (.088) | .379 | .176 (.077) | .197 (.072) | .072 |
| Isometric stabilization | Offset (radians) | .152 (.090) | .129 (.234) | .269 | .124 (.087) | .152 (.147) | .597 | .138 (.097) | .106 (.221) | .447 |
Note: * indicates significance at p < 0.0167