{
  "ptid_time": "023_S_0926_2007-10-23",
  "img_path": "/data/qiuhui/data/adni/images/023_S_0926/2007-10-23/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 27,801 mm³, 1.0% below the reference mean. With a Z-score of -0.02 (49.1th percentile), this represents normal volume ; whole brain volume measures 1,008,890 mm³, 3.5% above the reference mean. With a Z-score of 0.44 (67.1th percentile), this represents normal volume . ",
  "text_data": "Age is 72.4 years. Gender is Female. Education: 16 years. MMSE: 30.0. Logical Memory: 11.0. APOEε4 alleles: 0.0. Biomarker levels: Amyloid beta: 1335.00 pg/mL (normal ); Total tau: 171.00 pg/mL (normal ); Phosphorylated tau: 14.67 pg/mL (normal ). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volumes (ventricular and whole brain) are within normal ranges, and biomarkers (Aβ, T-tau, P-tau) are normal. The MMSE score of 30 is optimal, and there is no APOE4 risk allele present.  \nDiagnosis: **CN (Cognitively Normal)**  \nConfidence: **High**",
  "timestamp": "2025-07-26T02:49:59.062565"
}