Influence of a Cell-Phone Conversation on Balance Performance in Women with Fibromyalgia: A Cross-Sectional Descriptive Study

Table 3

Comparison of dual-task costs between women with fibromyalgia and healthy controls.

	Women with fibromyalgia (n = 18)	Healthy controls (n = 16)	value	Effect size (r)
DTC overall sway index	0.64 (1.00)	0.10 (0.47)	0.039	0.36
DTC anterior/posterior sway index	0.89 (1.15)	0.03 (0.60)	0.007	0.46
DTC medial/lateral sway index	0.52 (1.13)	0.35 (0.80)	0.798	0.04

DTC: dual-task cost = (dual task − single task)/single task. values refer to the Mann–Whitney U test.