Early gait analysis after curved periacetabular osteotomy for acetabular dysplasia

Figures & data

Table 1 Demographic data for patients and controls

	Patients with DDH (n=6)	Controls (n=6)	P-value
Age at surgery, years	36.3±9.5	37.2±9.6	0.89
Height (m)	1.59±0.08	1.60±0.06	0.80
Weight (kg)	59.4±6.4	60.6±6.8	0.77
BMI (kg/m^Citation2)	23.7±3.0	23.4±2.2	1.00

Note: Values are expressed as the mean ± SD.

Abbreviations: DDH, developmental dysplasia of the hip; n, number; BMI, body mass index; SD, standard deviation.

Table 2 Radiographic and clinical measurements

Measurement	Preoperative	Postoperative	P-value
Central-edge angle (°)	18.2±6.7	39.3± 10.0	<0.01
Sharp angle (°)	48.3±2.8	37.7±8.1	<0.01
Acetabular angle (°)	20.7±4.5	10.5±2.5	<0.01
Acetabular Head	64.5±8.3	86.6±7.2	<0.01
Index (%)
JOA Hip score (points)
Total	67.0± 19.1	91.3±2.8	<0.05
Pain	19.2± 10.2	38.3±2.4	<0.05
ROM	18.7±2.2	19.0±0.6	0.75
Gait	14.8±3.6	14.3±3.7	0.62
ADL	14.3±4.1	19.7±0.7	<0.05
Visual Analog scale (cm)	6.9±2.0	0.6±0.8	<0.01

Note: Values are expressed as the mean ± SD.

Abbreviations: JOA, Japanese Orthopaedic Association; ROM, range of motion; ADL, activities of daily living; SD, standard deviation.

Figure 1 Temporospatial gait parameters of patients with DDH (pre- and postoperative) and controls.

Notes: (A) Gait velocity; (B) stride length.
Abbreviations: min, minute; DDH, developmental dysplasia of the hip; m, meter.

Figure 2 Sagittal hip motion angle of patients with DDH (pre- and postoperative) and controls.

Notes: (A) Flexion; (B) extension; (C) full range of motion.
Abbreviation: DDH, developmental dysplasia of the hip.

Figure 3 Frontal thoracic and pelvic motion angle of patients with DDH (pre- and postoperative) and controls.

Notes: (A) Frontal thoracic motion angle; (B) pelvis motion angle.
Abbreviation: DDH, developmental dysplasia of the hip.

Jingushi S, Ohfuji S, Sofue M, et al. Osteoarthritis hip joints in Japan: involvement of acetabular dysplasia. J Orthop Sci. 2011;16(2):156–164.

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