Table 2.

Correlation of accelerometry sway parameters and normalised reach distance scores of YBT in individual directions and overall directions.

		Normalised reach distance scores
		Anterior	Posterolateral	Posteromedial	Composite
Jerk	Anterior	−0.114
	Posterolateral		0.609∗∗
	Posteromedial			0.706∗∗
	Average				0.531∗∗
RMS sway	Anterior	−0.127
	Posterolateral		0.606∗∗
	Posteromedial			0.777∗∗
	Average				0.573∗∗
Mean velocity	Anterior	−0.160
	Posterolateral		0.405∗
	Posteromedial			0.459∗
	Average				0.314∗

Note: Values are shown as r value; 0.10–0.39 = weak correlation, 0.40–0.69 = moderate correlation, 0.70–0.89 = strong correlation and 0.90–1.00 = very strong correlation.

^∗significant difference (p-value <0.05);

^∗∗significant difference (p-value <0.001).