To compute the sample size needed to achieve the planned power for at‐test, one needs an
estimate of the population standard deviation δ. If one uses the sample standard deviation …

To determine the predictive value of a new classification system for Legg-Perthes, 93 hips in
86 patients with radiographic follow-up to maturity were reviewed. All patients were treated …

Background: While early spinal fusion may halt progressive deformity in young children with
scoliosis, it does not facilitate lung growth and, in certain children, it can result in thoracic …

Interobserver variations for measurements of the Cobb angle on radiographs of patients who
had kyphosis were comparable with those on the radiographs of patients who had scoliosis …

Background: Both the Tanner-Whitehouse-III RUS score, which is based on the radiographic
appearance of the epiphyses of the distal part of the radius, the distal part of the ulna, and …

A retrospective study of 2442 patients who had idiopathic scoliosis was performed to
determine the prevalence of back pain and its association with an underlying pathological …

Background: Scoliosis progression during adolescence is closely related to patient maturity.
Maturity has various indicators, including chronological age, height and weight changes …

Background: The efficacy of brace treatment for patients with adolescent idiopathic scoliosis
remains controversial, and effectiveness remains unproven. We accurately measured the …

Background: Methicillin-resistant Staphylococcus aureus is thought to have led to an
increase in the incidence of severe musculoskeletal infection in children. Our purpose was …

Study Design. The authors studied 319 patients with adolescent idiopathic scoliosis treated
at the same institution with either a Boston brace or a Charleston bending brace. Objectives …