{"metric":"ae_over_12_hour_waits","title":"Twelve-hour trolley waits","topic":"health","unit":"patients","measure_type":"count","geography":"E92000001","comparison_method":"year_on_year","latest":{"period_start":"2026-07-01","period_end":"2026-07-31","period_label":"July 2026","value":47438,"status":"revised","vintage":"2026-08-13"},"comparison":{"period_label":"July 2025","value":35467,"vintage":"2026-08-13"},"source":{"publisher":"NHS England","publication":"A&E attendances and emergency admissions: monthly timeseries","landing_url":"https://www.england.nhs.uk/statistics/statistical-work-areas/ae-waiting-times-and-activity/","sheet":"Activity","table":"Monthly A&E timeseries, England activity","row":"2026-07-01","column":"Number of patients spending >12 hours from decision to admit to admission","raw_value":"47438","file_url":"https://www.england.nhs.uk/statistics/wp-content/uploads/sites/2/2026/08/Monthly-AE-Time-Series-July-2026-ET31dkH.xls","file_sha256":"3a95300868661e392dfad3ce678f381d83e173774a255837f2ecc49eccece4b9","release_date":"2026-08-13","release_label":"July 2026"},"definition":"The number of patients in England who waited more than twelve hours from the decision to admit them to actually being admitted, in the month. This is the measure often called a trolley wait.","does_not_measure":"Time spent in A&E before the decision to admit, which is often long and is measured separately (total time in A&E over twelve hours is a much larger number published in the ECDS supplementary series).","links":{"page":"/health/ae-12-hour-waits","series":"/api/metrics/ae_over_12_hour_waits/series","vintages":"/api/metrics/ae_over_12_hour_waits/vintages"}}