Odysseas Paxinos1, Alexandra Karavasili2, Georgios Delimpasis3, Afroditi Stathi4. 1. Orthopedic Department, 251 Hellenic Air Force General Hospital, Athens, Greece odypax@yahoo.com. 2. Rehabilitation Center Diaplasis, Kalamata, Greece. 3. Orthopedic Department, 251 Hellenic Air Force General Hospital, Athens, Greece. 4. Department for Health, University of Bath, Bath, UK.
Abstract
BACKGROUND: Although knee injuries in professional soccer (football) have been extensively studied, the prevalence of knee osteoarthritis (OA) in veteran players is not well documented. PURPOSE: To investigate the prevalence of knee OA in retired professional soccer players in comparison with a group of athletically active military personnel. STUDY DESIGN: Cross-sectional study; Level of evidence, 3. METHODS: A group of 100 veteran Greek soccer players aged 35 to 55 years (mean [±SD] age, 46.90 ± 5.9 years) were examined for knee OA and were administered the Knee injury and Osteoarthritis Outcome Score (KOOS) questionnaire. A matched group of 100 athletically active military personnel served as a comparison group. RESULTS: The sonographic prevalence of OA was significantly higher in the veteran soccer group (52%) than in the military group (33%) (n = 200; P = .010). This difference remained significant even after excluding participants with a history of knee surgery (44.1% vs 25.3%, respectively) (n = 151; P = .010). Femoral cartilage thickness was similar between the 2 groups (P = .473), while altered knee alignment had no effect on the prevalence of OA (P = .740). With the exception of perceived pain being more prevalent in the military group, there were no other statistically significant differences between the 2 groups in KOOS values. CONCLUSION: Veteran soccer players had a higher sonographic prevalence of knee OA but better pain scores than a matched group of athletically active military personnel.
BACKGROUND: Although knee injuries in professional soccer (football) have been extensively studied, the prevalence of knee osteoarthritis (OA) in veteran players is not well documented. PURPOSE: To investigate the prevalence of knee OA in retired professional soccer players in comparison with a group of athletically active military personnel. STUDY DESIGN: Cross-sectional study; Level of evidence, 3. METHODS: A group of 100 veteran Greek soccer players aged 35 to 55 years (mean [±SD] age, 46.90 ± 5.9 years) were examined for knee OA and were administered the Knee injury and Osteoarthritis Outcome Score (KOOS) questionnaire. A matched group of 100 athletically active military personnel served as a comparison group. RESULTS: The sonographic prevalence of OA was significantly higher in the veteran soccer group (52%) than in the military group (33%) (n = 200; P = .010). This difference remained significant even after excluding participants with a history of knee surgery (44.1% vs 25.3%, respectively) (n = 151; P = .010). Femoral cartilage thickness was similar between the 2 groups (P = .473), while altered knee alignment had no effect on the prevalence of OA (P = .740). With the exception of perceived pain being more prevalent in the military group, there were no other statistically significant differences between the 2 groups in KOOS values. CONCLUSION: Veteran soccer players had a higher sonographic prevalence of knee OA but better pain scores than a matched group of athletically active military personnel.
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