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It compared 68 patients who reached treatment with a 2019 baseline of 113 patients. Patients who needed a CT scan received a CT scan six days more quickly after their X-ray report, a statistically significant change. Time to treatment fell by seven days, and the share diagnosed with treatable cancers rose from 41% to 53%. Neither change was statistically significant. SHTG writes that changes made at the same time make it difficult to tell the effect of each one. NHS Grampian calibrated the software to its capacity, so it did not run at its maximum performance. 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SHTG Assessment in response to an enquiry from the Accelerated National Innovation Adoption (ANIA) partnership, February 2025, pp. 3 and 18-20.","title":"Artificial intelligence-assisted clinician review of chest X-rays for suspected lung cancer","url":"https://shtg.scot/media/2526/2024-07-18-chest-x-ray-assessment-v14.pdf","written_by":"independent","quote":"All patients who needed a CT scan (n=68) received a CT scan six days more quickly following a CXR report, which was statistically significant (95% confidence interval (CI) [3.647,7.369], p<0.001)."}]}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["evidence"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"sources[].upstream_sources":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"strategic_assessments[]":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"strategic assessments"},"summary":{"state":"value_present","value":{"kind":"record_fields","fields":{"summary":"SHTG found that NHS Grampian patients got CT scans six days sooner once Annalise Enterprise CXR triaged chest X-rays, with extra staff and CT slots. Other gains were not statistically significant.","account":"NHS Grampian used Annalise Enterprise CXR from May 2023 to April 2024 to flag chest X-rays at high risk of lung cancer for urgent review. It also added radiology reporting, a pathway coordinator and 20 protected CT slots a week. The Scottish Health Technologies Group (SHTG) of Healthcare Improvement Scotland evaluated the service and published its assessment in February 2025. It compared 68 patients who reached treatment with a 2019 baseline of 113 patients. Patients who needed a CT scan received a CT scan six days more quickly after their X-ray report, a statistically significant change. Time to treatment fell by seven days, and the share diagnosed with treatable cancers rose from 41% to 53%. Neither change was statistically significant. SHTG writes that changes made at the same time make it difficult to tell the effect of each one. NHS Grampian calibrated the software to its capacity, so it did not run at its maximum performance. 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It also added radiology reporting, a pathway coordinator and 20 protected CT slots a week. The Scottish Health Technologies Group (SHTG) of Healthcare Improvement Scotland evaluated the service and published its assessment in February 2025. It compared 68 patients who reached treatment with a 2019 baseline of 113 patients. Patients who needed a CT scan received a CT scan six days more quickly after their X-ray report, a statistically significant change. Time to treatment fell by seven days, and the share diagnosed with treatable cancers rose from 41% to 53%. Neither change was statistically significant. SHTG writes that changes made at the same time make it difficult to tell the effect of each one. NHS Grampian calibrated the software to its capacity, so it did not run at its maximum performance. In its resource impact analysis, SHTG found that the pathway cost £274,790 more than the traditional one.","replication":{"produced_by":["The software flagged chest X-rays at elevated risk of lung cancer for urgent reporting by radiologists.","A coordinator arranged urgent CT scans for patients whom radiologists judged to be at high risk.","NHS Grampian protected 20 CT slots a week for the urgent pathway."],"must_hold":["The software's calibration matches the staff and CT capacity of the pathway.","A clinician reviews every flagged X-ray before a CT scan is arranged."],"echoes":[]}}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["account","replication"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"}},"summary":{"total":91,"addressed":91,"known":28,"reviewed":2,"reviewed_complete":2,"reviewed_partial":0,"record_mapped":26,"review_not_assessed":63,"not_assessed":0,"complete":false,"by_state":{"value_present":28,"not_reported":0,"unresolved":63,"not_assessed":0,"not_applicable":0,"withheld":0,"source_unavailable":0}}},"presentation_version":"9ef3e8547ff48ee0c2dcb7a1cea2c60b9555730a818d1535f390f405441c4856"}