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How many people have osteoarthritis?

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The prevalence of osteoarthritis (OA) varies across different regions and populations. In the United States, over 30 million people are affected by OA, with a projected increase to 67 million by 2030 . In India, the burden of OA has been substantial, with around 62.35 million individuals affected in 2019, showing a significant increase from 23.46 million in 1990 . In Israel, a total of 180,126 OA patients were identified by the end of 2018, indicating a point prevalence of 115.3 per 1000 persons . Additionally, a study in Spain found that 29.3% of a random population sample had symptomatic OA in at least one knee, highlighting a high prevalence of the condition . Overall, OA affects millions of individuals globally, with varying prevalence rates in different countries and regions.

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Open access•Journal Article•DOI Prevalencia de artrosis de rodilla en una muestra aleatoria poblacional en personas de 40 y más años de edad David Rodriguez-Veiga, Cristina González-Martín, Sonia Pértega-Díaz, Teresa Seoane-Pillado, María Barreiro-Quintás, Vanesa Balboa-Barreiro - Show less +5 more 01 Jan 2019-Gaceta Medica De Mexico 3 Citations	29.3% of the population aged 40 and above have symptomatic osteoarthritis of the knee, as determined in a random population sample study.
Open access•Journal Article Osteoarthritis is a serious disease Gillian A. Hawker 01 Sep 2019-Clinical and Experimental Rheumatology 208 Citations	Osteoarthritis affects 1 in 3 people over age 65, with a higher prevalence in women. It is a common form of arthritis with a rising incidence due to various risk factors.
Open access•Journal Article•DOI Amniotic Suspension Allograft for Treatment of Knee Osteoarthritis Ashim Gupta 01 Oct 2022-Advances in Cardiovascular Diseases 2 Citations	Over 30 million people in the United States have osteoarthritis, with a projected increase to 67 million by 2030, as stated in the research paper.
Open access•Journal Article•DOI Pos1425 the burden of osteoarthritis across the states of india, 1990–2019: findings from the global burden of disease study 2019 Arti Chopra, Debashish Danda, B. Jerickson Paul, L. March, AJ Mathew, P. D. Shenoy, Carolyn C. Gotay, Alice Jozella Palmer, Bryce Antony - Show less +8 more 23 May 2022-Annals of the Rheumatic Diseases	Around 62.35 million individuals in India had osteoarthritis in 2019, showing a significant increase from 23.46 million in 1990, as per the Global Burden of Disease Study 2019.
Open access•Journal Article•DOI Prevalence and Incidence of Osteoarthritis: A Population-Based Retrospective Cohort Study. Rola Hamood, Matanya Tirosh, Noga Fallach, Gabriel Chodick, Elon Eisenberg, Omri Lubovsky - Show less +5 more 21 Sep 2021-Journal of Clinical Medicine 16 Citations	A total of 180,126 osteoarthritis patients were identified in Israel by the end of 2018, indicating a point prevalence of 115.3 per 1000 persons.

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What is the percentage of knee osteoarthritis patients with chronic pain?4 answersApproximately 30% of individuals with chronic knee pain meet the criteria for chronic widespread pain (CWP). Chronic pain is a common issue in osteoarthritis (OA) patients, affecting a significant portion of the population. In a study focusing on OA patients in France, the prevalence of chronic pain in patients receiving opioid agonist treatments (OAT) was estimated at 33.2%. Moreover, chronic pain is a significant concern post-total hip and knee arthroplasties (THA/TKA), with 7-23% and 10-34% of patients experiencing chronic pain, respectively. These findings highlight the substantial impact of chronic pain on OA patients, emphasizing the importance of effective pain management strategies to improve the quality of life and overall outcomes for individuals with knee osteoarthritis.

How many Internet users?4 answersAs per the abstracts provided, the number of Internet users varies depending on the context. In January 2021, there were 4.6 billion Internet users worldwide, accounting for more than 59.5% of the total population. In India, there were over 749 million Internet users, which is more than 50% of the country's population. By 2021, it is estimated that there will be about 635.8 million Internet users in India. The abstracts also mention that in 2015, only 26% of the Indian population accessed the Internet. It is important to note that these numbers are subject to change and may vary depending on the source and time of data collection.

What is the prevalence of post traumatic osteoarthritis?5 answersPost-traumatic osteoarthritis (PTOA) is a common pathology, accounting for approximately 12% of all cases of osteoarthritis (OA). The prevalence of PTOA varies depending on the specific joint and injury. In the knee joint, PTOA can occur in 25-50% of patients with anterior cruciate ligament ruptures and meniscal injuries. In patients who undergo joint replacement for PTOA, they are, on average, 10 years younger than those with primary OA. In a study of non-athlete patients, PTOA represented 12.4% of all joint diseases in the orthopaedic consult. The incidence of post-traumatic elbow osteoarthritis after radial head arthroplasty was 56% in the humeroulnar joint and 72% in the humeroradial joint. These findings highlight the significant prevalence of PTOA in various joints and the need for further research to develop anti-inflammatory therapies to prevent PTOA progression.

How many people play video games?5 answersOver 2 billion people globally play video games, with both children and adults participating. In the United States, more than half of all adults, or 53%, play video games in some form. The number of video game players worldwide is projected to rise to 4.5 billion by 2020 due to the proliferation of mobile devices. The gaming industry generates enormous amounts of behavioral telemetry data every year, indicating the widespread engagement with video games. Gamers spend as many as 2.5 billion hours per week playing games, highlighting the significant amount of time dedicated to gaming. The popularity of video games and the diverse ways in which they are played demonstrate the widespread appeal and impact of this form of entertainment.

What is the prevalence of facet osteoarthritis by gender?3 answersThe prevalence of facet osteoarthritis varies by gender. In one study, males were significantly more likely to have lumbar facet joint osteoarthritis (LFJ OA) at several spinal levels compared to females. Another study found that there was no significant relationship between sex and lumbar facet joint osteoarthritis. Additionally, a study on chronic low back pain revealed that females were affected more than males in higher grades of facet-joint arthropathy. However, another study found that women had a higher prevalence of lumbar facet joint osteoarthritis than men at low spinal levels. Overall, the prevalence of facet osteoarthritis by gender is not consistent across studies and may vary depending on the specific spinal level and grading system used.

How many people is the statistical population?4 answersThe statistical population size is not explicitly mentioned in the abstracts provided.

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