Table 3—

Sensitivity, specificity, and positive predictive values in the test data at selected risk scores and their corresponding 5-year stroke probabilities

Calculated risk score*Calculated 5-year stroke probability*SensitivitySpecificityPositive predictive value
4.74270.03480.8020.5780.087
4.87390.03960.7650.6180.091
4.96580.04330.7360.6480.095
5.03060.04620.7030.6680.096
5.12970.05080.6830.6980.102
5.21900.05550.6710.7290.110
5.30990.06060.6570.7490.116
5.34650.06280.6390.7590.118
5.38710.06530.6010.7670.115
5.46450.07030.5720.7870.119
5.54260.07580.5340.8060.122
5.61190.08100.5210.8260.131
5.71250.08920.4800.8450.135
5.80840.09770.4430.8650.141
5.89410.10600.4060.8840.149
6.11360.13030.3020.9210.160
  • *

    * Calculated using the risk score and 5-year stroke probability equation.

  • The suggested cutoff point.