Reliability of Calf Bioelectrical Impedance Spectroscopy and Magnetic-Resonance-Imaging-Acquired Skeletal Muscle Hydration Measures in Healthy People

Table 4

Test-retest reliability of transverse relaxation times.

Muscle	Single measure; (95% CI)	Average; (2 measures); (95% CI)	Average; (3 measures); (95% CI)	MDC95 (ms)	Bias (SD)	95% LOA
Tibialis anterior	0.87 (0.76, 0.94)*	0.93 (0.86, 0.96)*	0.93 (0.87, 0.97)*	1.06	0.09 (0.56)	−0.99, 1.18
Lat gastrocnemius	0.98 (0.95, 0.98)*	0.97 (0.95, 0.99)*	0.99 (0.97, 0.99)*	1.29	−0.12 (0.55)	−1.19, 0.96
Med gastrocnemius	0.95 (0.9, 0.98)*	0.97 (0.94, 0.99)*	0.99 (0.97, 0.99)*	0.94	−0.05 (0.29)	−0.62, 0.52
Soleus	0.89 (0.78, 0.94)*	0.94 (0.88, 0.97)*	0.96 (0.92, 0.98)*	0.29	−0.03 (0.96)	−1.85, 1.90

^∗𝑃<0.001.
ICC: intraclass correlation; Lat: lateral; LOA: limits of agreement; MDC: minimal detectable change; Med: medial; SD: standard deviation.