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The questions on the WOMAC are a subset of the questions of the Hip disability and osteoarthritis outcome score (HOOS). [4] Thus, a HOOS survey may also be used to determine a WOMAC score. A WOMAC test takes about 12 minutes, but is also available in a short form, (although this has not been as extensively tested as the full version).
Osteoarthritis is the most common form of arthritis, affecting about 237 million people or 3.3% of the world's population, as of 2015. [4] [12] It becomes more common as people age. [1] Among those over 60 years old, about 10% of males and 18% of females are affected. [2] Osteoarthritis is the cause of about 2% of years lived with disability. [12]
Osteoarthritis typically affects the weight-bearing joints, such as the back, knee and hip. Unlike rheumatoid arthritis, osteoarthritis is most commonly a disease of the elderly. The strongest predictor of osteoarthritis is increased age, likely due to the declining ability of chondrocytes to maintain the structural integrity of cartilage. [ 69 ]
Quizlet's primary products include digital flash cards, matching games, practice electronic assessments, and live quizzes. In 2017, 1 in 2 high school students used Quizlet. [ 4 ] As of December 2021, Quizlet has over 500 million user-generated flashcard sets and more than 60 million active users.
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Example of a virtual flashcard: using flashcard software Anki to review a mathematical formula. First, only the question is displayed. Then the answer is displayed too, for verification. There is a wide range of software (including open source and online services) available for creating and using virtual flashcards as an aid to learning.
The answer? In most countries, many years. The difference between the average lifespan, minus the number of unhealthy years, estimated what the researchers call the health span-lifespan gap.
A printed quiz on health issues. A quiz is a form of mind sport in which players attempt to answer questions correctly on one or several topics. Quizzes can be used as a brief assessment in education and similar fields to measure growth in knowledge, abilities, and skills, or simply as a hobby.