Table 2.

Kidney outcomes according to quartiles of spot urinary potassium-to-creatinine ratio

Kidney OutcomesOverallSpot Urinary Potassium-to-Creatinine Ratio, mmol/g
Q1<33.99Q2=33.99–45.94Q3=45.95–61.69Q4≥61.70
No. of participants1821455455455456
Person-year53261298134013421345
Composite kidney outcome
 Events3921438610063
 Events per 1000 person-yr73.6110.164.274.546.8
≥50% decline in eGFR
 Events7829122413
 Events per 1000 person-yr14.622.39.017.99.7
ESKD
 Events280100646947
 Events per 1000 person-yr52.677.047.851.434.9
  • Q, quartile.