Table 3.

The angle (degree) between the line from the projection point to the origin and the X-axis (n = 15).

	L1*	L2#	L3#	L4#	L5#
Mean	21.91	9.71	10.94	11.51	11.01
Minimum	− 9.25	0.0	2.31	− 8.46	− 5.32
Maximum	67.31	23.26	22.10	40.07	27.91
Standard deviation	15.17	5.90	4.11	8.51	6.08
95% confidence interval	17.99–25.83	8.18–11.23	9.88–12.00	9.31–13.70	9.44–12.58

*P < 0.01, ^#P > 0.05, One-way ANOVA (Bonferroni-adjusted p-value).