C-reactive protein of ≥ 20 mg/L and ultrasound finding of an effusion ≥ 7 mm has a high specificity and sensitivity in diagnosing paediatric hip septic arthritis.
Richie Arollado OlandresDaniel Wei Ren SengAruni SeneviratnaEhab Shaban Mahmoud HamoudaBryan Chun Meng FoongKenneth Pak Leung WongArjandas MahadevPublished in: Archives of orthopaedic and trauma surgery (2023)
Our study showed that the novel method using CRP (≥ 20 mg/L) and US finding of effusion (≥ 7 mm) has a high specificity (97%) and sensitivity (71%) in diagnosing SA.