{
  "pmid": "9643797",
  "doi": "10.1016/S0140-6736(98)24018-9",
  "source": "qa/data_handling_20261002/primary/taylor1999_eric_collection.pdf",
  "source_sha256": "1256cc1a317c4b51ebe69c747d60abc1f9efd3cde74ebec1def9a6f28f218bf4",
  "primary_url": "https://files.eric.ed.gov/fulltext/ED466915.pdf",
  "archive_pages": [
    285,
    286
  ],
  "journal_pages": "1327-1328",
  "review": "Complete two-page primary letter and table visually read; aggregate values below checked against page images. OCR is corrupted and not used to infer additional numbers.",
  "design": "Follow-up of prospectively reported post-MMR gastrointestinal symptoms; not population autism surveillance with complete ascertainment",
  "source_counts": {
    "reported_gastrointestinal_cases": 31,
    "first_dose_cases": 30,
    "concomitant_Hib": 4,
    "hospital_admissions": 20,
    "antibiotic_treatment": 11,
    "symptomatic_relief": 9,
    "diarrhea": 17,
    "gingivostomatitis": 7,
    "vomiting_only": 5,
    "abdominal_pain": 2,
    "febrile_seizures": 5,
    "headaches": 2,
    "ataxia": 1,
    "guillain_barre": 1,
    "autism_diagnoses_in_followed_GI_cases": 0
  },
  "vaccine_doses_delivered_approximate": 3000000,
  "doses_are_not_people": true,
  "followup_months": {
    "minimum": 16,
    "maximum": 181,
    "mean": 111,
    "median": 128
  },
  "symptom_onset": {
    "minimum_hours": 20,
    "maximum_days": 15
  },
  "relative_risk": null,
  "confidence_interval": null,
  "adds_independent_likelihood": false,
  "interpretation": "The zero autism count is among31 selected reported gastrointestinal cases, not zero among1.8 million vaccinated children or3 million doses. Incomplete reporting is acknowledged. There is no unvaccinated comparator or vaccine-autism RR.",
  "code_sha256": "d9fe2c7fe2ac4011ede6d0beb4962c547bf39373a7cc5998f31b6b17ce020b99"
}