| Age group comparisons | ||||
|---|---|---|---|---|
| PMID | Age/Age interval, Gender | Value (unit of measurement) | Method | Sample | 
| 18384253 | Age 24.5 ± 3, Gender ⚥ | 0.96 (mean value of the compound area) | LC-MS; GC-MS | plasma | 
| 18384253 | Age 40.8 ± 5.6, Gender ⚥ | 0.82 (mean value of the compound area) | LC-MS; GC-MS | plasma | 
| 18384253 | Age 55.6 ± 3.7, Gender ⚥ | 0.86 (mean value of the compound area) | LC-MS; GC-MS | plasma | 
| 7626826 | Age 27 ± 4.6, Gender ⚥ | 8.63 (mg/100gm/min) | PET | anterior temporal cortex | 
| 7626826 | Age 66 ± 5, Gender ⚥ | 6.33 (mg/100gm/min) | PET | anterior temporal cortex | 
| 7626826 | Age 27 ± 4.6, Gender ⚥ | 10.04 (mg/100gm/min) | PET | middle temportal cortex | 
| 7626826 | Age 66 ± 5, Gender ⚥ | 8.02 (mg/100gm/min) | PET | middle temportal cortex | 
| 7626826 | Age 27 ± 4.6, Gender ⚥ | 9.83 (mg/100gm/min) | PET | posterior temportal cortex | 
| 7626826 | Age 66 ± 5, Gender ⚥ | 8.42 (mg/100gm/min) | PET | posterior temportal cortex | 
| 7626826 | Age 27 ± 4.6, Gender ⚥ | 7.74 (mg/100gm/min) | PET | mesial temporal cortex | 
| 7626826 | Age 66 ± 5, Gender ⚥ | 6.4 (mg/100gm/min) | PET | mesial temporal cortex | 
| 27374292 | Age [25–35] (median=32), Gender ♀ (Japanese) | 0.94673 (average level of metabolite) | UHPLC-MS/MS HILIC | serum | 
| 27374292 | Age [55–65] (median=60), Gender ♀ (Japanese) | 1.010462 (average level of metabolite) | UHPLC-MS/MS HILIC | serum | 
| 27374292 | Age [25–35] (median=32), Gender ♂ (Japanese) | 0.998073 (average level of metabolite) | UHPLC-MS/MS HILIC | serum | 
| 27374292 | Age [55–64] (median=60), Gender ♂ (Japanese) | 1.084703 (average level of metabolite) | UHPLC-MS/MS HILIC | serum | 
| 12535825 | Age 26 ± 5, Gender ♂ | 4.8 (μmol/ml) | PET | blood | 
| 12535825 | Age 67 ± 5, Gender ♂ | 5.1 (μmol/ml) | PET | blood | 
| Linear regression | ||||
|---|---|---|---|---|
| PMID | Age/Age interval, Gender | Value (unit of measurement) | Method | Sample | 
| 23838602 | Age [17–85], Gender ⚥ | 0.017 (β) | UPLC-MS/MS; GC-MS | serum, plasma | 
| log2 ratio/log2(FC) | ||||
|---|---|---|---|---|
| PMID | Age/Age interval, Gender | Value (unit of measurement) | Method | Sample | 
| 29090929 | Age 42 ± 12, Gender ♀ | -0.149 (log2 ratio) | NMR | blood | 
| 29090929 | Age 41 ± 12, Gender ♂ | -0.059 (log2 ratio) | NMR | blood |