{
  "ptid_time": "023_S_4164_2013-12-18",
  "img_path": "/data/qiuhui/data/adni/images/023_S_4164/2013-12-18/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 42,819 mm³, 11.2% above the reference mean. With a Z-score of 0.27 (60.5th percentile), this represents normal volume ; whole brain volume measures 1,112,820 mm³, 3.1% above the reference mean. With a Z-score of 0.40 (65.6th percentile), this represents normal volume . ",
  "text_data": "Age is 74.6 years. Gender is Male. Education: 12 years. MMSE: 28.0. MoCA: 27.0. Logical Memory: 16.0. APOEε4 alleles: 0.0. Biomarker levels: Florbetapir (AV45): 0.98 SUVR (normal ); Total tau: 245.30 pg/mL (normal ); Phosphorylated tau: 21.11 pg/mL (normal ). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volumes (ventricular and whole brain) are within normal ranges, and cognitive scores (MMSE 28, MoCA 27) are intact. Biomarkers (T-tau, P-tau, AV45) and APOE4 status are also normal, with no indication of neurodegeneration or amyloid pathology.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T03:03:43.001448"
}