Àwọn Ìṣàmúlò-ètò GFR (eGFR, CKD-EPI)
Àwọn àwọn ààyè-iṣẹ́ ìṣàmúlò-ètò (eGFR) láti inú kreatinine, ìgbà atí ìṣàmúlò-ètò, láti inú ààyè-iṣẹ́ CKD.
Àwọn Àtòjọ-ẹ̀yàn àwọn ìṣàmúlò-ètò
Àkóónú ìṣàmúlò-ètò yìí
A GFR calculator estimates the glomerular filtration rate — how well the kidneys filter blood — from a serum creatinine test, age and sex. It uses the race-free 2021 CKD-EPI creatinine equation, reporting eGFR in mL/min/1.73 m² and the matching chronic kidney disease (CKD) stage from G1 to G5. This is an estimate for education only and does not replace testing or advice from a clinician.
The equation weighs creatinine against a sex-specific constant, then adjusts for age. For a 50-year-old man with a serum creatinine of 1.0 mg/dL, CKD-EPI returns an eGFR of about 92 mL/min/1.73 m², which is stage G1 — normal function. A woman with the same creatinine reads slightly differently because the equation uses a lower constant (0.7 versus 0.9) and a 1.012 sex factor. Enter creatinine in mg/dL or µmol/L and the tool converts.
The result maps to a CKD stage: 90+ is G1, 60–89 G2, 45–59 and 30–44 are G3a and G3b, 15–29 is G4 and below 15 is kidney failure (G5). Stages G3 and worse usually prompt medical follow-up. Because eGFR rests on a single creatinine value and is affected by muscle mass and diet, it is a screening estimate, not a diagnosis — confirm any concern with a clinician.
Àwọn Àtòjọ-ẹ̀yàn
Kini àwọn ìṣàmúlò-ètò CKD-EPI?
It is the standard formula for estimating GFR from creatinine: eGFR = 142 × min(Scr/κ,1)^α × max(Scr/κ,1)^−1.200 × 0.9938^age × 1.012 (if female), where κ and α depend on sex. The 2021 version removed the race coefficient.
Kini àwọn à
A eGFR ti 90 tabi loke pẹlu ko si awọn aami miiran jẹ deede; 60-89 ti o ti dinku ni irọrun; 45-59 ati 30-44 jẹ awọn igbesẹ G3a ati G3b; 15-29 jẹ ibajẹ (G4) ati ni isalẹ 15 jẹ ibajẹ ẹdọ (G5).
Njẹ eyi jẹ àìdájọ́ tí a bá jẹ́?
No. eGFR is an estimate that can be affected by muscle mass, diet and a single creatinine reading. Chronic kidney disease is diagnosed by a clinician using repeat tests over time plus urine and other findings.
Kini eGFR ti o wọpọ?
A eGFR ti 90 tabi ni oke pẹlu ko si miiran aami ti kidney ibajẹ ni o ti royin bi ti o dara. A 50-year-old ọkunrin pẹlu kan creatinine ti 1.0 mg/dL jade ni nipa 92, eyi ti ni igbesẹ G1.
Kini eGFR ti o jẹ bi ipo 3 ti arun ẹdọfu?
Igba ti G3a ni a eGFR ti 45-59 ati G3b ni 30-44, ti o fihan a ti o dara ju ibajẹ ti filtration agbara. Awọn igbesẹ wọnyi ni o wọpọ lati ṣe akiyesi ati iṣakoso nipasẹ a clinician.
Kini idi ti a fi fi equation pamọ́ nígbà tí mò bá jẹ́?
Filtration naturally declines over the years, so CKD-EPI includes an age term (0.9938 raised to your age). A modestly reduced eGFR in an older adult is not automatically kidney disease.
Kini ti o fi sé pé serum creatinine lọ́wọ́lọ́wọ́ tabí lọ́wọ́lọ́wọ́?
Higher muscle mass, meat-heavy meals and dehydration raise creatinine and so lower the estimated GFR, while low muscle mass lowers it. Since eGFR hinges on that single value, repeat testing is needed to interpret it properly.
API — ló àwọn ìṣàmúlò-ètò yìí láti inú ìṣàmúlò-ètò
Fi àwọn ìṣàmúlò-ètò yìí kọ̀ǹpútà yìí láti jẹ́ ààyè-iṣẹ́ JSON tí a tí fi pamọ́ - kò ní bọ́tìnì kan tí a fẹ́. Fi àwọn fálù ààyè-iṣẹ́ sílẹ̀ sí bí àwọn àwọn ìṣàmúlò-ètò àti JSON. Anything you omit uses the same default this page is pre-filled with; an unknown parameter is a 400, never a silent zero. Ka àwọn àkọlé API kíkún →
Àwọn Ààyè Ìjánu-ìṣàmúlò-ètò
GET https://calculator.free/api/v1/gfr/curl
curl "https://calculator.free/api/v1/gfr/?age=50&sex=male&creatinine=1.0&units=mgdl"JavaScript fetch()
const r = await fetch(
"https://calculator.free/api/v1/gfr/?" + new URLSearchParams({
"age": "50",
"sex": "male",
"creatinine": "1.0",
"units": "mgdl"
}));
const data = await r.json();
console.log(data.results);Results are estimates for general guidance only, not financial, medical or tax advice.