Table 1.

Percentage of patients achieving bony fusion from time of presentation (data compiled from three MRC reports)

	HK rada (%)	HK debb (%)	B debc (%)	B ambd (%)	Ke (%)
6 months	28	3	7	9	1
12 months	70	23	20	26	6
18 months	85	52	38	50	15

^aHong Kong center, radical debridement and strut grafting group

^bHong Kong center, debridement only group

^cBulawayo, Rhodesia center, debridement group

^dBulawayo, Rhodesia center, ambulatory chemotherapy group

^eAverage for Masan and Pusan in Korea, conservative treatment groups