Table 4.
Summary data associated with Bland-Altman plots
| Visually Guided Reaching Parameters: R | Mean Difference (SD) | 95 % Limits of Agreement | Mean Difference (SD) | 95 % Limits of Agreement |
| S1 to S2 | S1 to S2 | S2 to S3 | S2 to S3 | |
| Posture speed (m/s) | -0.0001 (0.001) | (-0.003, 0.002) | 0.0005 (0.002) | (-0.003, 0.004) |
| Reaction time (s) | 0.005 (0.018) | (-0.030, 0.040) | -0.002 (0.021) | (-0.044, 0.039) |
| Initial direction error (rad) | 0.006 (0.012) | (-0.019, 0.031) | -0.001 (0.010) | (-0.020, 0.019) |
| Initial distance ratio | -0.027 (0.055) | (-0.137, 0.083) | 0.010 (0.070) | (-0.130, 0.151) |
| Initial speed ratio | -0.002 (0.028) | (-0.057, 0.054) | -0.004 (0.023) | (-0.049, 0.041) |
| Speed maxima count | 0.111 (0.415) | (-0.718, 0.942) | -0.015 (0.495) | (-1.006, 0.976) |
| Minimum maximum speed difference (m/s) | 0.006 (0.006) | (-0.006, 0.018) | -0.003 (0.008) | (-0.019, 0.012) |
| Movement time (s) | 0.023 (0.149) | (-0.274, 0.320) | 0.112 (0.415) | (-0.718, 0.942) |
| Path length ratio | 0.045 (0.050) | (-0.055, 0.145) | -0.014 (0.055) | (-0.124, 0.096) |
| Max speed (m/s) | 0.007 (0.058) | (-0.110, 0.123) | -0.005 (0.068) | (-0.140, 0.131) |
| Visually Guided Reaching Parameters: L | ||||
| Posture speed (m/s) | -0.0003 (0.001) | (-0.003, 0.002) | -0.0002 (0.002) | (-0.003, 0.003) |
| Reaction time (s) | 0.010 (0.018) | (-0.046, 0.026) | 0.0001 (0.027) | (-0.054, 0.054) |
| Initial direction error (rad) | 0.006 (0.013) | (-0.020, 0.031) | -0.001 (0.014) | (-0.029, 0.027) |
| Initial distance ratio | -0.010 (0.042) | (-0.094, 0.074) | 0.004 (0.045) | (-0.085, 0.094) |
| Initial speed ratio | 0.010 (0.032) | (-0.054, 0.073) | -0.002 (0.027) | (-0.057, 0.053) |
| Speed maxima count | 0.099 (0.313) | (-0.527, 0.725) | -0.027 (0.342) | (-0.711, 0.658) |
| Minimum maximum speed difference (m/s) | 0.002 (0.008) | (-0.013, 0.018) | 0.0007 (0.008) | (-0.015, 0.017) |
| Movement time (s) | 0.034 (0.120) | (-0.207, 0.274) | -0.009 (0.110) | (-0.228, 0.210) |
| Path length ratio | 0.037 (0.047) | (-0.057, 0.132) | 0.003 (0.052) | (-0.102, 0.108) |
| Max speed (m/s) | 0.003 (0.062) | (-0.121, 0.128) | -0.009 (0.060) | (-0.128, 0.111) |
| Arm Position Matching Parameters: R | ||||
| Variability XY (m) | 0.001 (0.012) | (-0.022, 0.024) | 0.001 (0.012) | (-0.022, 0.024) |
| Contraction/expansion ratio XY | -0.026 (0.155) | (-0.335, 0.283) | -0.051 (0.157) | (-0.366, 0.263) |
| Shift XY (m) | 0.004 (0.029) | (-0.054, 0.062) | -0.005 (0.031) | (-0.066, 0.057) |
| Absolute Error XY | 0.002 (0.022) | (-0.041, 0.046) | -0.001 (0.022) | (-0.044, 0.042) |
| Arm Position Matching Parameters: L | ||||
| Variability XY (m) | 0.003 (0.012) | (-0.021, 0.027) | 0.001 (0.011) | (-0.022, 0.023) |
| Contraction/expansion ratio XY | -0.001 (0.168) | (-0.338, 0.336) | -0.020 (0.175) | (-0.371, 0.330) |
| Shift XY (m) | -0.008 (0.023) | (-0.055, 0.038) | 0.004 (0.037) | (-0.051, 0.059) |
| Absolute Error XY | -0.005 (0.015) | (-0.034, 0.025) | 0.003 (0.021) | (-0.039, 0.045) |
| Object Hit Parameters | ||||
| Total hits | -31 (17) | (-65, 3) | (-2 (13)) | (-28, 25) |
| Hits with left | -12 (10) | (-33, 8) | -3 (9) | (-21, 15) |
| Hit with right | -19 (11) | (-41, 4) | 1 (9) | (-17, 19) |
| Hand bias hits | -0.024 (0.077) | (-0.179, 0.131) | 0.024 (0.064) | (-0.104, 0.153) |
| Miss bias | 0.008 (0.035) | (-0.063, 0.078) | -0.009 (0.025) | (-0.059, 0.041) |
| Hand transition | -0.002 (0.032) | (-0.066, 0.062) | -0.005 (0.028) | (-0.061, 0.051) |
| Hand selection overlap | -0.010 (0.048) | (-0.106, 0.086) | -0.013 (0.048) | (-0.109, 0.082) |
| Median error | -5 (4) | (-12, 3) | -0.941 (4) | (-9, 8) |
| Hand speed L (m/s) | -0.038 (0.052) | (-0.142, 0.065) | -0.003 (0.046) | (-0.095, 0.090) |
| Hand speed R (m/s) | -0.041 (0.055) | (-0.151, 0.070) | 0.011 (0.055) | (-0.098, 0.120) |
| Hand speed bias | -0.0004 (0.060) | (-0.056, 0.060) | 0.022 (0.058) | (-0.095, 0.138) |
| Movement area L (m^2) | -0.020 (0.027) | (-0.075, 0.035) | -0.001 (0.028) | (-0.058, 0.055) |
| Movement area R (m^2) | -0.021 (0.028) | (-0.077, 0.036) | -0.001 (0.021) | (-0.042, 0.041) |
| Movement area bias | 0.004 (0.076) | (-0.149, 0.156) | -0.0004 (0.091) | (-0.183, 0.182) |
| Object Hit & Avoid Parameters | ||||
| Total hits | -11 (13) | (-37, 16) | -1 (13) | (-27, 26) |
| Hits with left | -6 (6) | (-18, 6) | -1 (9) | (-18, 17) |
| Hit with right | -5 (11) | (-26, 17) | 0.1 (10) | (-20, 20) |
| Hand bias hits | 0.017 (0.094) | (-0.170, 0.204) | 0.011 (0.110) | (-0.209, 0.230) |
| Miss bias | 0.006 (0.036) | (-0.077, 0.066) | 0.004 (0.041) | (-0.078, 0.085) |
| Hand transition | -0.003 (0.034) | (-0.071, 0.065) | -0.004 (0.041) | (-0.086, 0.077) |
| Hand selection overlap | -0.019 (0.045) | (-0.109, 0.071) | 0.004 (0.037) | (-0.069, 0.078) |
| Median error | -1 (6) | (-13, 11) | -1 (5) | (-11, 9) |
| Hand speed L (m/s) | -0.027 (0.032) | (-0.092, 0.038) | 0.001 (0.044) | (-0.087, 0.089) |
| Hand speed R (m/s) | -0.019 (0.044) | (-0.107, 0.070) | 0.007 (0.047) | (-0.086, 0.100) |
| Hand speed bias | 0.024 (0.079) | (-0.133, 0.182) | 0.007 (0.091) | (-0.175, 0.190) |
| Movement area L (m^2) | -0.017 (0.024) | (-0.065, 0.030) | 0.0004 (0.028) | (-0.057, 0.058) |
| Movement area R (m^2) | -0.011 (0.023) | (-0.057, 0.035) | 0.0004 (0.023) | (-0.046, 0.047) |
| Movement area bias | 0.025 (0.117) | (-0.210, 0.260) | -0.003 (0.121) | (-0.244, 0.238) |
| Distractor hits L | -1 (4) | (-10, 8) | 0 (4) | (-8, 9) |
| Distractor hits R | -2 (5) | (-11, 8) | 1 (4) | (-6, 8) |
| Distractor hits total | -3 (8) | (-20, 13) | 1 (6) | (-11, 13) |
| Trail Making B Parameters | ||||
| Total time (s) | 13 (15) | (-18, 44) | 3 (11) | (-19, 26) |
| Dwell time (s) | 6 (7) | (-8, 20) | 3 (7) | (-10, 16) |
| Time ratio | -0.054 (0.424) | (-0.902, 0.795) | -0.045 (0.550) | (-1.145, 1.055) |
| Error count | 1 (3) | (-5, 6) | 0 (2) | (-4, 5) |
Legend: Mean Difference and 95 % Limits of Agreement (lower followed by upper limit) for S1 to S2 and S2 to S3 for parameters associated with Visually guided reach, Arm position matching, Object hit, Object hit and avoid, and Trail making B tasks