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J Am Med Inform Assoc 14:100-109 doi:10.1197/jamia.M2169
  • Original Investigation

Developing High-specificity Anti-hypertensive Alerts by Therapeutic State Analysis of Electronic Prescribing Records

Table 3

Sensitivity and Specificity Measures for Alerts by GP Assessment

Grouping “Has Merit” with “Agree” Grouping “Has Merit” with “Not Useful”
Observed Population Estimate⁎ Observed Population Estimate⁎
Sensitivity 83.19% (CI 66.19%–92.60%) 37.48% (CI 19.17%–60.23%) 74.36% (CI 52.17%–88.50%) 25.99% (CI 11.67%–48.24%)
Specificity 82.05% (CI 64.75%–91.92%) 97.42% (CI 93.82%–98.95%) 60.76% (CI 45.25%–74.38%) 92.75% (CI 87.22%–96.00%)

  • ↵⁎ Based on alert cases 8.26 times more prevalent than non-alert cases.

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