Table 6. Results of the pilot study of a repeated measurements on clinical cases (Paired sample t-test).

Co-ordinate	Mean(mm)	S.D.(mm)	Error Mean (mm)	p-value	95%CI (lower upper)
X	-0.27	0.77	0.25	0.31	(-0.87 0.32)
y	-0.18	0.62	0.20	0.39	(-0.66 0.29)
z	0.31	0.91	0.30	0.33	(-0.38 1.01)