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. 2025 Oct 16;13:e71252. doi: 10.2196/71252

Table 3. Comparison of patient cohort retrieval between system-generated queries and reference concept sets.

NCT ID Simplified criterion Jaccard similarity Overlap coefficient
NCT00786474 Pregnancy 0 0
NCT01179048 Type 2 diabetes 0.03 1.0
Type 1 diabetes 0.81 1.0
NCT00211120 Presence of uncontrolled hypertension 0.18 0.48