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Resumption of physical activity within 7 days of a concussion was associated with lower rates of persistent postconcussive symptoms (PPCS)
  1. Anand Nitin Kanani,
  2. Stuart Hartshorn
  1. Emergency Department, Birmingham Children's Hospital, Birmingham, UK
  1. Correspondence to Dr. Stuart Hartshorn, Consultant in Paediatric Emergency Medicine, Birmingham Children’s Hospital, Steelhouse Lane, Birmingham, B4 6NH, UK; Stuart.Hartshorn{at}bch.nhs.uk

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Study design

A planned secondary analysis of a prospective, multicentre cohort study.

Setting

Nine emergency departments (ED) within the Pediatric Emergency Research Canada Network.

Patients

Aged between 5.00 and 17.99 years and diagnosed with a concussion following a traumatic head injury in the preceding 48 hours.

Exposure

Return to physical activity within 7 days postinjury (ranging from light exercise to a full return to competitive sports).

Comparison

No physical activity within 7 days postinjury. Propensity scores were derived to account for potential confounding baseline characteristics. Patients in each intervention group were matched 1:1 in random order based on the propensity scores.

Covariates considered

Age, sex, duration of prior concussion, duration of loss of consciousness, presence of symptoms on the initial concussion evaluation, personal/family history of migraine, learning/developmental disorder, …

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