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Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 3 Demographic data of patients in the PL and ALS groups

From: Comparison of short-term outcomes of anterolateral supine approach and posterolateral approach for primary total hip arthroplasty: a retrospective study

Patient characteristics

PL

ALS

P value

Age (years)

65 ± 11.8

66.7 ± 11.1

0.49

Sex

Male to female (13:50)

Male to female (3:34)

0.06

Diagnosis

OA 55, ION 7, RDC 1

OA 25, ION 7, RDC 1, RA 4

0.11

BMI

23.9 ± 2.9

22.4 ± 3.6

0.06

Preoperative ROM (degrees)

87.7 ± 21.7

84.5 ± 23.4

0.49

Operation time (minutes)

58.9 ± 15.7

112 ± 29.5

0

Preoperative VAS score

84.7 ± 14.3

85.3 ± 18.1

0.86

Preoperative mental wellness score

7.4 ± 5.2

7.7 ± 6.1

0.82

Preoperative muscle strength (N/kg)

 Flexion

1.6 ± 0.8

1.5 ± 0.6

0.4

 Extension

1.6 ± 0.5

1.6 ± 0.5

0.53

 Abduction

1.7 ± 0.5

1.6 ± 0.6

0.5

 Adduction

1.4 ± 0.5

1.4 ± 0.4

0.67

 Internal rotation

1.1 ± 0.4

1.2 ± 0.4

0.35

 External rotation

1.1 ± 0.4

1.1 ± 0.4

0.27

  1. ALS: anterolateral supine; BMI: body mass index; ION: idiopathic osteonecrosis; OA: osteoarthritis; PL: posterolateral; RA: rheumatoid arthritis; RDC: rapidly destructive coxopathy; VAS: visual analog scale