Table 4.

Radiographic 5-year outcome (modified Stulberg classification) in relation to the Catterall classification and lateral pillar classification

	Radiographic outcome
	Good		Fair		Poor
Classification	n	%	n	%	n	%
Catterall
Group 1	9	100	0	0	0	0
Group 2	23	82	5	18	0	0
Group 3	56	67	24	29	4	4
Group 4	26	29	31	34	34	37
Lateral pillar
Group A	8	100	0	0	0	0
Group B	85	68	28	23	11	9
Group C	21	26	32	40	27	34

n: number of patients; %: percentage of patients.