Table 2 Results from the laboratory studies
Data | Differences1) | Relative reliability | Relative validity | Absolute reliability | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Reliability study | Validity study | Reliability | Validity | ||||||||
Qinematic™ TEST 1 Median (IQR) | Qinematic™ TEST 2 Median (IQR) | BTS-Elite Median (IQR) | Qinematic™ Median (IQR) | Qinematic™ T1 vs. T2 p-value1 | Qinematic™ vs. BTS-Elite p-value1 | Qinematic™ T1 vs. T2 ICC2) (95%CI) | Qinematic™ vs. BTS-Elite r (p-value)3) | Qinematic™ vs BTS-Elite ICC2) (95%CI) | Qinematic™ SEM4) | Qinematic™ MCD5) | |
Posture (Reliability study: n = 37; Validity study: n = 26) | |||||||||||
P-HL | 1.34 (2.42) | 2.14 (1.71) | −0.53 (2.45) | 0.79 (2.85) | 0.230 | 0.000 | 0.329 (0.01–0.59) | 0.487(0.014) | 0.418 (0.04–0.72) | 1.388 | 3.846 |
P-HF | 2.28 (6.52) | 2.05 (5.46) | 7.46 (5.89) | 2.31 (5.63) | 0.934 | 0.000 | 0.326 (0.01–0.59) | 0.723 (0.000) | 0.741 (0.49–0.64) | 3.217 | 8.918 |
P-PP | 0.45 (1.13) | 0.49 (0.79) | −0.08 (1.52) | 0.45 (0.90) | 0.028 | 0.032 | 0.308 (−0.01–0.57) | 0.270 (0.181) | 0.342(0.04–0.64) | 0.619 | 1.717 |
P-NA | −2.85 (6.26) | −2.76 (4.43) | – | – | 0.054 | – | 0.723 (0.53–0.85) | – | – | 1.876 | 5.200 |
P-HL | 0.33 (0.32) | 0.32 (0.24) | – | – | 0.354 | – | 0.655 (0.42–0.81) | – | – | 0.122 | 0.339 |
P-WB | 48.52 (7.00) | 46.95 (3.96) | 49.16 (9.14) | 48.96 (4.51) | 0.041 | 0.259 | 0.231 (−0.10–0.52) | −0.073 (0.716) | −0.047 (−0.41–0.33) | 3.372 | 9.349 |
Balance -Double stance (Reliability study: n = 37; Validity study: n = 26) | |||||||||||
DS-SA | 0.10 (0.10) | 0.10 (0.10) | 0.12 (0.23) | 0.10 (0.025) | 0.591 | 0.069 | 0.125 (−0.20–0.43) | 0.345 (0.084) | 0.347 (−0.04–0.64) | 0.632 | 1.752 |
DS-SVAP | 0.70 (0.50) | 0.60 (0.30) | 3.36 (1.17) | 0.55 (0.525) | 0.532 | 0.000 | 0.013 (−0.20–0.43) | −0.273 (0.178) | −0.039 (−0.41–0.35) | 1.094 | 3.033 |
DS-SVML | 0.30 (0.15) | 0.30 (0.30) | 3.94 (0.88) | 0.20 (0.1) | 0.481 | 0.000 | 0.013 (−0.30–0.33) | 0.159 (0.438) | 0.038 (−0.35–0.41) | 0.810 | 2.244 |
Balance - single stance, left (Reliability study: n = 37; Validity study: n = 24) | |||||||||||
SSL-SA | 0.50 (0.70) | 0.60 (0.40) | 1.27 (1.85) | 0.35 (0.58) | 0.523 | 0.000 | 0.177 (−0.18–0.47) | 0.301 (0.153) | 0.111 (−0.30–0.49) | 0.648 | 1.797 |
SSL-SVAP | 1.20 (0.85) | 1.30 (0.50) | 8.89 (3.83) | 1.25 (0.95) | 0.521 | 0.000 | 0.228 (−0.10–0.51) | −0.115 (0.465) | −0.008 (−0.40–0.39) | 0.503 | 1.393 |
SSL-SVML | 1.40 (1.30) | 1.30 (0.75) | 8.89 (4.02) | 1.25 (1.08) | 0.631 | 0.000 | 0.162 (−0.17–0.46) | −0.087 (0.702) | −0.019 (−0.41–0.38) | 0.684 | 1.896 |
Balance Single stance, right (Reliability study: n = 37; Validity study: n = 25) | |||||||||||
SSR-SA | 0.50 (0.70) | 0.50 (0.50) | 0.87 (1.09) | 0.40 (0.90) | 0.432 | 0.003 | −0.101 (−0.41–0.23) | 0.260 (0.209) | 0.422 (0.04–0.70) | 0.907 | 2.515 |
SSR-SVAP | 1.20 (0.75) | 1.20 (0.55) | 8.63 (3.99) | 1.30 (0.90) | 0.700 | 0.000 | 0.048 (−0.28–0.36) | 0.316 (0.124) | 0.011 (−0.38–0.40) | 0.557 | 1.545 |
SSR-SVML | 1.40 (1.00) | 1.20 (0.75) | 8.04 (4.41) | 1.40 (1.30) | 0.341 | 0.000 | −0.094 (−0.40–0.23) | 0.640 (0.001) | 0.305 (−0.09–0.62) | 1.016 | 2.816 |
Side-bending (Reliability study: n = 37; Validity study: n = 29) | |||||||||||
SB-LF | 29.93 (3.09) | 28.95 (3.21) | 29.04 (5.78) | 23.16 (5.83) | 0.000 | 0.000 | 0.898 (0.81–0.95) | 0.943 (0.000) | 0.931 (0.86–0.95) | 0.796 | 2.207 |
SB-RF | 29.77 (3.33) | 28.92 (3.82) | 29.70 (5.13) | 23.79 (6.38) | 0.018 | 0.259 | 0.394 (0.08–0.63) | 0.888 (0.000) | 0.904 (0.81–0.95) | 2.215 | 6.134 |
SB-%BW | 85.01 (14.15) | 84.18 (10.87) | – | – | 0.105 | 0.693 (0.48–0.83) | – | 5.700 | 15.799 | ||