Table 5

Sensitivity and specificity of the at-risk register in predicting mortality among patients with chronic kidney disease

Sensitivity66.7%
Specificity77.9%
Positive predictive value48.3%
Negative predictive value88.3%

  • Numbers used to calculate sensitivity and specificity.

  • No. of patients on the register who died during the study period=37.

  • No. of patients who died during the study period who were not on the register=14.

  • No. of patients on the register who were alive at the end of the study period=21.

  • No. of patients not on the register who were alive at the end of the study period=106.