Table 2.

The incidence of femoral head shorting and varus, AVN, and Harris score at last follow-up

Group	Case	Shorting and varus (case, %)			AVN (case, %)	Harris score
		None/mild	Moderate	Severe
A	21	16 (76.19%)	4 (19.05%)	1 (4.76%)	4 (4/21, 19.05%)	85.6 ± 6.7
B	24	14 (58.33%)	8 (33.33%)	2 (8.33%)	5 (5/24, 20.83%)	84.5 ± 6.2
C	22	11 (50.00%)	3 (13.64%)	8 (36.36%)	5 (5/22, 22.73%)	74.3 ± 8.3

Group A anatomical reduction group, Group B Gotfried positive buttress reduction group, Group C Gotfried negative buttress reduction group, AVN avascular necrosis