Fig. 2

Bland Altman Plot of automated and retrospectively calculated eGFR. Black solid line is drawn at the zero difference in automated and retroactively calculated eGFR. White dashed line (0.8) represents the average difference of automated and retroactively calculated eGFR. Black dashed lines (8.0, −6.4) indicate the 95% limits or +/− 2 standard deviations from the average difference of automated and retroactively calculated eGFR. The average automated eGFR was 83.99 and for retroactively calculated eGFR 83.16. The shapes refer to explanatory factors. Black circles = match, grey circles = 1 demographic, white rectangle = 1 demographic and 1 clinical, triangle = 2 demographics, diamond = 1 clinical