Table 4.

Herring classification for rating at early fragmentation and final rating of patients with Legg-Calve-Perthes disease

Rating at early fragmentation	Final rating
	A	B	B/C	C	Total
A	2	6	1	–	9
B	–	33	2	4	39
B/C	–	–	4	–	4
C	–	–	–	9	9
Total	2	39	7	13	61

Percent agreement, 79%; intraclass correlation coefficient, 0.714 (95% CI, 0.507-0.833).