Why is estimated glomerular filtration rate generally more informative than serum creatinine alone when assessing kidney filtration?

• 1 eGFR directly measures urine protein by electrophoresis, which is more sensitive than creatinine alone and provides a comprehensive assessment of kidney function
• 2 eGFR interprets creatinine with patient variables used by the equation rather than treating the concentration in isolation ✓ 정답
• 3 eGFR is unaffected by biological variables such as muscle mass, diet, and hydration status, making it a perfect measure
• 4 eGFR identifies the organism causing urinary tract infection by quantifying bacterial DNA in the urine

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