A person went to their GP presenting with symptoms including persistently swollen ankles, fatigue, and unusually foamy urine.
A sample of their urine was tested. The results of the urine analysis are shown in the table below.
| Urine test | Patient result | Acceptable range |
|---|---|---|
| Albumin (protein) | 125 mg/g | Less than 30 mg/g |
| Glucose | 65 mg/dl | Less than 100 mg/dl |
| Red blood cells | 2 cells/HPF | Less than 3 cells/HPF |
| pH | 6.1 | 4.5 to 8.0 |
After reviewing these results, the doctor advised the patient to undergo a blood filtration test (eGFR) to check for potential chronic kidney disease.
Based on the data in the table, give one reason why the doctor came to this conclusion.
