## Indian Diabetes Epidemiology: ICMR-INDIAB Study **High-Yield:** The ICMR-INDIAB (Indian Council of Medical Research – India Diabetes) study, a large national cross-sectional survey conducted across India, reported an age-standardized prevalence of **Type 2 diabetes of approximately 16.6% in urban adults** and **7.3% in rural adults**. ### Key Findings from ICMR-INDIAB **Key Point:** The ICMR-INDIAB study is the most comprehensive and representative epidemiological survey of diabetes in India, conducted in multiple states and urban/rural settings. ### Urban vs. Rural Prevalence in India | Setting | Type 2 DM Prevalence (%) | Impaired Fasting Glucose (%) | Total Dysglycemia (%) | | --- | --- | --- | --- | | Urban | 16.6 | 8.0–10.0 | ~25–27 | | Rural | 7.3 | 5.0–7.0 | ~12–14 | | Overall (age-standardized) | ~11.4 | ~6.5 | ~18 | **Key Point:** The **urban-to-rural ratio is approximately 2.3:1**, reflecting the impact of urbanization, sedentary lifestyle, dietary changes, and increased obesity in cities. ### Burden of Diabetes in India **Clinical Pearl:** India is home to approximately **74 million people with diabetes** (IDF 2021), making it the diabetes capital of the world alongside China. The prevalence is rising rapidly due to: - Rapid urbanization - Dietary transition (increased refined carbohydrates, processed foods) - Reduced physical activity - Genetic predisposition in South Asian populations **Mnemonic: ICMR-INDIAB Urban-Rural** — **16.6% urban, 7.3% rural** — a 2.3-fold difference highlighting the urbanization effect. **High-Yield:** The prevalence of **prediabetes (impaired fasting glucose + impaired glucose tolerance)** is equally high (~18% nationally), indicating a large population at risk of progression to diabetes.
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