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) |