TABLE 1.

Test–retest reliability of Mxa in healthy volunteers (n = 46).

Method	Absolute reliability		Relative reliability
	Bias (units)	SRD (units)	CV (%)	ICC (%)
3–60–F	0 (−0.6 to 0.6)	0.64 (0.54–0.78)	73.5 (57.9–91.6)	0.25 (−0.01 to 0.48)
6–240–F	0 (−0.5 to 0.5)	0.55 (0.43–0.73)	44.95 (30.1–61.6)	0.14 (−0.34 to 0.56)
10–300–F	0 (−0.4 to 0.4)	0.39 (0.31–0.49)	31.39 (25.7–37.3)	0.52 (0.31 to 0.68)
10–300–60	0 (−0.5 to 0.5)	0.51 (0.43–0.6)	52.84 (42.6–64)	0.4 (0.16 to 0.59)

Note: Recalculation from previous study (Olsen et al., 2021). Bias represents the overall bias from Bland–Altmann analysis together with 95% limits of agreement. SRD, smallest real difference—an estimate of the maximal difference there will be between two measurements in 95% of occasions; CV, coefficient of variation—reflects the relationship between the standard deviation within the group and the mean; ICC, intraclass correlation coefficient—depicts the agreement between two measurements (Hartmann et al., 2023).