Table 3. Mean, SD, and ANCOVA results for body sway and local/central control parameters in the eyes-closed condition for DPN and healthy groups.

Significant differences are highlighted with asterisks.

Body Sway Parameters	Diabetic	Healthy	P-value	Effect Size
COG (AP) cm	5.42 ± 4.96	2.82 ± 1.39	<.05*	0.72
COG (ML) cm	1.96 ± 1.61	0.80 ± 0.35	0.01*	0.99
COG cm 2	17.50 ± 41.68	2.34 ± 1.56	0.12	0.52
local/central Control Balance Parameters	Diabetic	Healthy	P-value	Effect Size
Local-control slope (AP) × 10 −2 cm 2 /sec	4.67 ± 3.09	2.01 ± 1.99	0.02*	1.02
Central-control slope-Log (AP)	0.15 ± 0.11	0.41 ± 0.20	<.001*	1.67
Local-control time-interval (AP) sec	1.76 ± 0.83	1.97 ± 1.08	0.56	0.23
Local-control slope (ML) × 10 −2 cm 2 /sec	2.55 ± 2.32	0.99 ± 0.83	0.04*	0.91
Central-control slope-Log (ML)	0.16 ± 0.14	0.34 ± 0.23	0.03*	0.96
Local-control time-interval (ML) sec	2.20 ± 0.74	2.11 ± 0.79	0.76	0.13
Local-control slope × 10 −2 cm 2 /sec	3.01 ± 1.93	1.77 ± 1.67	0.08	0.73
Central-control slope-Log	0.17 ± 0.15	0.38 ± 0.22	0.02*	1.09
Local-control time-interval sec	1.54 ± 0.84	1.90 ± 1.09	0.30	0.37

COG = center of gravity

AP = anterior-posterior

ML = medial-lateral