Table 4.

Clinical outcome of patients with and without AVN graded on the scale by Brougham et al. [22]

Clinical outcome	Number of patients
	With AVN	Without AVN
Excellent—painless, no limp, negative Trendelenburg, combined ROM >300°	13	42
Good—painless, normal gait or slight limp, negative or delayed positive Trendelenburg, combined ROM <300° and >200°	8	8
Fair—painless or occasional ache, limp and/or Trendelenburg sign and/or combined ROM >150° and <200°	8	3
Poor—pain (exercise-related or interfering with function), positive Trendelenburg and/or fixed deformity and/or combined ROM <150°	0	0