Skip to main content

Table 2 Bias and precision of each equation by gender, and accuracy of prediction at ± 15%, ± 30% and ± 50% levels (p15, p30 and p50)

From: Predictive performance of the estimating equations of renal function in Sri Lankan subjects

Equation Gender N Bias Precision Accuracy within subjects CRMSE
± 15% ± 30% ± 50%
MDRD Male 212 − 9.34 22.02 41.0% 68.4% 84.0% 23.92
Female 263 − 23.65 24.97 25.5% 47.1% 71.1% 34.39
CKD-EPI Male 212 − 9.15 21.41 40.1% 67.0% 84.4% 23.28
Female 263 0.04 20.45 44.5% 79.5% 91.6% 20.45
  1. Bias mean of the difference of estimated and measured renal functions. Precision standard deviation of bias, CRMSE combined root mean square error