Table 4

Cohen’s Kappa showing rater-rater reliability for knowledge questions
Question–Stem: What level of… Kappa SE p 95% CI n
At what level of eGFR would you typically refer to secondary care? 0.551 0.098 p < 0.001 0.359 to 0.743 53
… SYSTOLIC blood pressure control do you typically aim to achieve in patients with CKD WITHOUT proteinuria? 0.472 0.123 p < 0.001 0.230 to 0.713 53
… DIASTOLIC blood pressure control do you typically aim to achieve in patients with CKD WITHOUT proteinuria? 0.608 0.088 p < 0.001 0.436 to 0.780 53
… SYSTOLIC blood pressure control do you typically aim to achieve in patients with CKD WITH proteinuria? 0.583 0.099 p < 0.001 0.389 to 0.777 53
… DIASTOLIC blood pressure control do you typically aim to achieve in patients with CKD WITH proteinuria? 0.482 0.100 p < 0.001 0.286 to 0.678 53
What rate of decline per annum in eGFR would prompt you to refer to secondary care? 0.764 0.082 p < 0.001 0.603 to 0.925 53

Tahir et al.

Tahir et al. BMC Nephrology 2014 15:73   doi:10.1186/1471-2369-15-73

Open Data