There is a growing burden of #OA among middle-aged adults, rising by 123.7%, from 11.8 million in 1990 to 26.4 million in 2021. 56.5% of incident cases & 38% of prevalent cases occur in middle-aged group (70% higher than the elderly (>60 years) population). Highest in hi-income. https://t.co/JVpZ96qe0E