{
  "id": "ph-stroke-units",
  "title": "Acute stroke units in the Philippines",
  "metric": "Acute stroke units, national",
  "unit": "stroke units",
  "kind": "count",
  "volatility": "static",
  "direction_note": "stroke units concentrated in a few urban centres put most of the country outside the treatment window when the clot forms",
  "publisher": "No Margin Left",
  "source": {
    "label": "Navarro JC, et al. \"Stroke systems of care in the Philippines: addressing gaps and developing strategies.\" Frontiers in Neurology (2022)",
    "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC9729337/"
  },
  "license": "CC BY 4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/",
  "attribution": "No Margin Left, \"Acute stroke units in the Philippines\" (Acute stroke units, national). CC BY 4.0. https://nomarginleft.com/data/ph-stroke-units.json",
  "canonical": "https://nomarginleft.com/data/ph-stroke-units.json",
  "csv": "https://nomarginleft.com/data/ph-stroke-units.csv",
  "retrieved": "2026-05-26",
  "stale": false,
  "observations": [
    {
      "date": "1999",
      "value": 2,
      "source": {
        "label": "Navarro et al., Frontiers in Neurology (2022) — the 1999 baseline count of stroke units",
        "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC9729337/"
      },
      "confidence": "sourced",
      "checked": "2026-05-26",
      "note": "Two stroke units nationally in 1999, the paper's historical starting point."
    },
    {
      "date": "2021",
      "value": 47,
      "source": {
        "label": "Navarro et al., Frontiers in Neurology (2022) — 47 acute stroke units in 2021, most in urban centres",
        "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC9729337/"
      },
      "confidence": "sourced",
      "checked": "2026-05-26",
      "note": "47 acute stroke units in 2021, \"most in urban centres\". Distinct from the 53 acute-stroke-READY hospitals the same paper counts for 2021 and the 49-hospital Stroke Society roll (as of May 2021) — a different unit.\n",
      "readings": [
        {
          "value": 47,
          "source": {
            "label": "Frontiers in Neurology (2022), \"Stroke Systems of Care in the Philippines\" — 47 acute stroke units nationally, re-read from the publisher HTML on 2026-08-12 (distance-to-thrombectomy sidecar, claim s3)",
            "url": "https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2022.1046351/full"
          }
        }
      ],
      "rationale": "Single source; the reading is the same figure re-verified from the publisher HTML on a later date in a second sidecar, recorded to show the 47 was checked twice, not to reconcile a disagreement."
    }
  ],
  "corrections": []
}