Table 3. Centering ratio means and standard deviations detected at 9 different levels.

	ProGlider + Reciproc Blue	Reciproc Blue	P-value
Level 1 (CS)	0.79±0.15	0.60±0.14	0.001*
Level 2 (CS)	0.59±0.15	0.60±0.20	0.826
Level 3 (CS)	0.77±0.14	0.58±0.25	0.018*
Level 4 (FC)	0.82±0.18	0.67±0.22	0.056
Level 5 (FC)	0.57±0.10	0.47±0.22	0.165
Level 6 (FC)	0.75±0.23	0.68±0.27	0.444
Level 7 (AC)	0.54±0.27	0.54±0.33	0.994
Level 8 (AC)	0.48±0.25	0.24±0.04	0.001*
Level 9 (AC)	0.76±0.16	0.56±0.20	0.001*

P-values marked with *mean statistically significant difference between ProGlider-Reciproc Blue and Reciproc Blue groups(P<0.05).