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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