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Table 2 Urinary albumin/creatinine ratio according to measured glomerular filtration rate (mGFR) divided into quartiles

From: Determination of the best method to estimate glomerular filtration rate from serum creatinine in adult patients with sickle cell disease: a prospective observational cohort study

mGFR

Quartile range (mL/min/1.73 m2)

Median within the quartile (mL/min/1.73 m2)

Urinary albumin/creatinine ratio, (mg/mmol)

p value*

Quartile 1

[29–75]

74.5

1.86 [0.23-134.24]

0.029

Quartile 2

[96–112]

105

0.405 [0.07-80.63]

 

Quartile 3

[113–128]

119

3.04 [0.14-31.47]

 

Quartile 4

[129–183]

145

8.43 [0.36-59.77]

 
  1. mGFR: glomerular filtration rate measured by iohexol plasma clearance.
  2. Q1, Q2, Q3, Q4: each quartile of mGFR.
  3. * p value was calculated using a Kruskal-Wallis test. Results are expressed as median [range].