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. 2005 Jul-Aug;12(4):448–457. doi: 10.1197/jamia.M1794

Table 3.

System Performance with 57,452 Electronic Discharge Summaries Aggregated by Case and by Event

Value by case (95% CI) Value by event (95% CI)
Identified by the system 1,461 1,590
Identified by the system and verified by manual review 652 704
Positive predictive value 0.45 (0.42–0.47) 0.44 (0.42–0.47)

CI = confidence interval.