Metrics are derived from NHS Digital Appointments in General Practice (GPAD) — practice-level crosstab extracts promoted via DataMedic PCI Step 22. Publication periods and appointment months follow NHS release schedules.
Figures reflect appointments recorded in supplier systems. They do not capture informal contacts, total clinical workload, or demand that was not booked as an appointment.
Practice views include rollups for the parent PCN, Sub-ICB and England for the same appointment month. PCN and Sub-ICB values aggregate member practices; England uses all practices with data in that month.
National percentiles and leaderboard rankings are pre-computed nightly from practice-month snapshots. Rebuild command: python manage.py build_gp_appt_public_snapshots (scheduled after Step 22 promote in production).
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