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. 2020 Feb 25;6(3):204–214. doi: 10.1159/000505850

Fig. 3.

Fig. 3

Correlation between estimated glomerular filtration rate (eGFR) and reference glomerular filtration rate (rGFR) in all study participants. Smoothed lines show the fit of the data and 95% confidence intervals. Dashed lines indicate no difference. a B2M GFR: beta-2 microglobulin-based equation. b CKD-EPIscr: serum creatinine-based CKD-EPI equation which was developed in 2009. c CKD-EPIcys: cystatin C-based CKD-EPI equation which was ­developed in 2012. d CKD-EPIscr-cys: serum creatinine and cystatin C-based CKD-EPI equation which was developed in 2012. e C-CKD-EPIscr: CKD-EPIscr equation modified for China which was newly developed in 2019. f C-CKD-EPIcys: CKD-EPIcys equation modified for China which was newly developed in 2019. g C-CKD-EPIscr-cys: CKD-EPIscr-cys equation modified for China which was newly developed in 2019. h Xiangya GFR: serum creatinine-based equation which was newly developed in the Third Xiangya Hospital in China in 2019.