{
  "ptid_time": "023_S_0031_2006-10-30",
  "img_path": "/data/qiuhui/data/adni/images/023_S_0031/2006-10-30/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 25,093 mm³, 10.6% below the reference mean. With a Z-score of -0.24 (40.4th percentile), this represents normal volume ; whole brain volume measures 922,984 mm³, 5.3% below the reference mean. With a Z-score of -0.67 (25.2th percentile), this represents normal volume . ",
  "text_data": "Age is 78.7 years. Gender is Female. Education: 18 years. MMSE: 30.0. Logical Memory: 20.0. APOEε4 alleles: 0.0. Biomarker levels: Total tau: 306.90 pg/mL (normal ); Phosphorylated tau: 26.10 pg/mL (normal ). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volumes (ventricular and whole brain) are within normal ranges, and the MMSE score of 30 indicates no cognitive impairment. Biomarkers (T-tau, P-tau) and APOE4 status also show no abnormalities.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T02:26:42.873479"
}