bTBI — Blast Traumatic Brain Injury in Blast-Exposed Service Members

This upload contains the full technical documentation and a free evaluation sample (500 of 20,000 blast-exposed service members, 78 columns, true random subset, byte-identical to the corresponding rows of the full dataset) — not the full dataset. The full 20,000-subject dataset (540,000-row longitudinal table, OMOP CDM v5.4 export, generator script, full parameter audit, literature registry, automated validation report) is sold separately: https://sentineldata.com.ua/dataset/btbi-blast-traumatic-brain-injury ($450). Sample contents Sample file Content btbi_sample_500.parquet 500 × 78 (identical schema to the full dataset) bTBI_Sample_Passport_EN.pdf sample passport data_dictionary.csv full 78-column data dictionary, English + Russian manifest_checksums.csv SHA-256 checksum per shipped file PARQUET_HOWTO.txt opening instructions for pandas / R arrow / DuckDB Sample composition (N=500, hand-verified against the shipped file): 405 Mild / 84 Moderate / 7 Severe / 4 Penetrating (tbi_severity); 421 male / 79 female, 401 enlisted / 99 officer, age 18–60 (mean 28.7); blast mechanism 76.0% IED, 8.0% Mortar, 7.4% RPG, 4.2% Grenade, 2.4% Landmine, 1.8% Rocket, 0.2% Aerial bomb; 24.4% ct_abnormal; 37.6% pre-injury psychiatric history; 70.6% label_prolonged_recovery_30d; 50.2% label_chronic_pcs; 12.2% label_rtd_failure; 32.8% ptsd_screen_positive_6mo; return-to-duty at 12 months: 87.8% ... Full description with all tables is on the Wiki page of this project. Full dataset and purchase: https://sentineldata.com.ua/dataset/btbi-blast-traumatic-brain-injury . Zenodo copy: https://doi.org/10.5281/zenodo.23659677