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      "text": "Demographic factors (e.g. age, sex, ethnicity) can influence patient outcomes based on their association with long-standing healthcare and societal inequities or, although less common, can change the efficacy of drugs.\nAn analysis of gene expression read-outs from disease relevant tissue samples across 3,000 studies comprising 177,201 individual samples found that many missed information on age (48%), sex (40%) and ethnicity (71%).\nThere was a significant lack of non-European samples from older donors, as well as varying sex distributions across different ethnicities.",
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