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Stroke ICU Cohort — Northern Plains Tribal Profile (n=100, synthetic)
Summary
A synthetic acute-stroke ICU cohort generated against a Northern Plains tribal health profile (rural Indian Health Service service area, American Indian/Alaska Native-majority). It pairs an acute-stroke decision module (NIHSS, tPA eligibility/administration, onset-to-door and door-to-needle timing, modified Rankin outcomes) with a rural, low-connectivity deployment demographic to probe stroke-pathway performance in an under-represented population.
Every record is fully synthetic — generated by a computer algorithm. No real patient data is present.
| Rows | 100 patients |
| Columns | 37 |
| Clinical module | Stroke (acute ischemic/hemorrhagic decision support) |
| Population profile | nd_tribal_region_a |
| Engine | HipAAsynth v1.4.0 |
| Schema version | 1.1.0 |
| Generation seed | 5101 (deterministic) |
| Generated | 2026-08-19 |
Reproducibility
This cohort is deterministic: regenerating with the same engine version, scenario, and seed reproduces
byte-identical output. Each row also carries its own per-patient seed, and the file is fingerprinted below.
- CSV SHA-256:
8927d363c52feec79d740815354cd1f3b82dfcf66142f2523fcc40eef1470d21 - Determinism: verified Run A = Run B (identical SHA-256)
Regenerate with the HipAAsynth engine:
hipaasynth --demo --count 100 --seed 5101 --scenario tribal_stroke --format csv
Schema
37-column structured CSV (cohort.csv):
| Column | Description |
|---|---|
patient_id |
Unique synthetic patient identifier |
seed |
Per-patient deterministic generation seed |
age |
Age in years |
sex |
Biological sex |
ethnicity |
Patient ethnicity (profile-weighted) |
height_cm |
Height in centimeters |
weight_kg |
Weight in kilograms |
bmi |
Body mass index |
bmi_category |
BMI classification (lowercase: underweight / normal / overweight / obesity_class_1..3) |
conditions |
Semicolon-delimited list of active clinical conditions |
num_visits |
Total encounter visit count |
num_labs |
Total lab order count |
engine_version |
HipAAsynth engine version |
schema_version |
Record schema version |
synthetic |
Always True — no real patient data |
disclaimer |
Per-record synthetic-data disclaimer |
stroke_flag |
Stroke present flag |
stroke_type |
Ischemic / hemorrhagic classification |
nihss_score |
NIH Stroke Scale score |
nihss_category |
NIHSS severity band (mild/moderate/severe) |
tpa_eligible |
tPA thrombolysis eligibility flag |
tpa_administered |
tPA administered flag |
onset_to_door_minutes |
Symptom onset to hospital arrival (minutes) |
door_to_needle_minutes |
Arrival to tPA (minutes) |
sbp_admission |
Systolic BP at admission (mmHg) |
dbp_admission |
Diastolic BP at admission (mmHg) |
glucose_admission |
Glucose at admission (mg/dL) |
atrial_fibrillation |
Atrial fibrillation flag |
prior_stroke |
Prior stroke flag |
prior_ich |
Prior intracranial hemorrhage flag |
recent_surgery |
Recent surgery flag |
anticoagulant_use |
Anticoagulant use flag |
mrs_discharge |
Modified Rankin Scale at discharge (0-6) |
mrs_90day |
Modified Rankin Scale at 90 days (0-6) |
rural_presentation |
Rural presentation flag |
region_profile |
Population profile used for generation |
stroke_observation_version |
Stroke observation generator version |
License
| Engine | AGPL-3.0-or-later (a separate commercial license is also available) |
| Data | CC BY-NC-ND 4.0 |
This dataset is provided for non-commercial research, transparency, and audit purposes under the CC BY-NC-ND 4.0 license. Commercial use — including model training for profit or benchmarking by commercial entities — requires a separate license. For larger cohorts or commercial inquiries, contact hipaasynth@gmail.com · https://hipaasynth.com
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