Table 2

Absolute and relative reliability for the different conditions

Intra-raterInter-raterInter-session
ICC (95% CI)SEMMDCICC (95% CI)SEMMDCICC (95% CI)SEMMDC
0 kg0.95 (0.92 to 0.97)19.353.50.76 (0.62 to 0.84)43.2119.60.88 (0.82 to 0.93)30.584.6
0.5 kg0.59 (0.36 to 0.74)401110.55 (0.30 to 0.72)50.2139.10.54 (0.29 to 0.71)49.8137.9
1 kg0.87 (0.80 to 0.92)3699.80.54 (0.28 to 0.71)66.2183.50.70 (0.54 to 0.81)56.1155.6
2 kg0.95 (0.91 to 0.97)39.31090.79 (0.67 to 0.87)83.32310.86 (0.78 to 0.91)65.8182.5
3 kg0.94 (0.91 to 0.96)47.7132.10.81 (0.69 to 0.88)85.9238.20.78 (0.66 to 0.86)92.7256.9
Relax0.98 (0.97 to 0.99)10.8300.86 (0.78 to 0.91)30.584.60.89 (0.83 to 0.93)24.768.4
Standing0.87 (0.89 to 0.92)70.7196.10.56 (0.29 to 0.73)130.1360.50.75 (0.60 to 0.84)101.5281.3
  • CI, confidence interval; ICC, intraclass correlation coefficient; MDC, minimal detectable change; SEM, standard error of measurement.