Table 4.

MRI results of FTP typing.

	Total	Type I	Type II	Type III	Type IV	Type V	Type VI
MRI	82	8	15	8	28	14	9
Pathological examination	84	7	14	8	30	16	9
χ 2		0.102	0.076	0.003	0.004	0.109	0.003
P		0.749	0.783	0.960	0.832	0.741	0.957