Total Hip Arthroplasty Using the S-ROM-A Prosthesis for Anatomically Difficult Asian Patients

Table 2

Preoperative and postoperative Japanese orthopaedic association score.

(a) Preoperative and postoperative JOA score with history of osteotomy of the hip

	Preop	Postop
Pain	11.7	32.9
Range of motion	13.0	15.1
Walk	9.1	11.4
Activity of daily living	12.0	14.6
Total	45.8	74.1

(b) Preoperative and postoperative JOA score without history of osteotomy of the hip

	Preop	Postop
Pain	14.9	36.4
Range of motion	11.1	16.0
Walk	7.7	13.6
Activity of daily living	12.4	16.1
Total	46.1	82.1

(c) Preoperative and postoperative JOA score in all patients

	Preop	Postop
Pain	14.0	35.4
Range of motion	11.7	15.6
Walk	8.1	13.0
Activity of daily living	12.3	15.7
Total	46.1	79.7

(Mann-Whitney U test).