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Table 1 Characteristic features of Perthes patients who underwent a combined femoral head osteotomy and periacetabular osteotomy (PAO)

From: Simultaneous femoral head reduction osteotomy (FHRO) combined with periacetabular osteotomy (PAO) for the treatment of severe femoral head asphericity in Perthes disease

Patient

Age at surgery

Sex

Laterality

BMI (kg/m2)

Follow-up (year)

PAO

Waldenstrom classification

Tonnis grade

Previous hip surgery

Resected length (mm)

1

8

Male

Right

23

8

Triple

Stage IV (Late)

1

Abductor tenotomy

10

2

10

Male

Right

26

6

Triple

Stage IV (Late)

1

None

10

3

12

Male

Right

23

2

Ganz

Stage IV (Late)

0

None

13

4

12

Male

Left

25

4

Ganz

Stage IV (Late)

1

None

10

Mean

10

24.3

5

10.8

  1. BMI Body mass index, PAO Periacetabular Osteotomy