From: Consecutive first-morning urine samples to measure change in the albumin-to-creatinine ratio: a pilot study of a home urine collection protocol
Number of urine samples
Percentage change in ACR (geometric mean and 95Â % CI)
One samplea
15.2 % (−9.2 to 46.1 %)
Average of two consecutive samplesb
24.3Â % (2.1 to 51.3Â %)
Average of three consecutive samplesc
22.6Â % (0.0 to 50.3Â %)