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J Am Med Inform Assoc 15:770-775 doi:10.1197/jamia.M2774
  • Original Investigation

External Validation of EPICON: A Grouping System for Estimating Morbidity Rates Using Electronic Medical Records

Table 1

Deviating Diagnoses per Category

Selection Criteria
Sole Outliers In all 4 Years
Deviating Diagnoses (ICPC) 2002 2003 2004 2005
Diagnoses related to death
 Euthanasia request/discussion (A20) I > 15% I > 0.2 I > 5%
 Death (A96) I > 15% I > 15% I > 15% I > 15% I > 5%
 Suicide/suicide attempt (P77) I < 0.05
 Cardiovascular diseases
 Acute myocardial infarction (K75) I < −15% I < −15% I < −15% I < −15% I < −5%
 Heart failure (K77) I < −5%
 Stroke/cerebrovascular accident (K90) I < −15% I < −15% I < −15% I < −15% I < −5%
 Neoplasms
 Malignant neoplasm colon/rectum (D75) I < −0.2 I < −0.05
 Malignant neoplasm digestive other (D77) I < −0.2 I < −0.05
 Malignant neoplasm bronchus/lung (R84) I < −0.2 I < −0.2 I < −0.2 I < −0.05
 Malignant neoplasm breast female (X76) I < −15%
 Malignant neoplasm prostate (Y77) I < −0.05
Diagnoses related to pregnancy
 Pregnancy (W78) PI > 15% PI > 5%
 End points of pregnancy
 Abortion spontaneous (W82) I < −15% I < −15% I < −15% I < −15% I < −5%
 Abortion induced (W83) I < −15% I < −15% I < −15% I < −0.2 I < −5%
 Uncomplicated labor/delivery livebirth (W90) I < −15% I < −15% I < −15% I < −15% I < −5%
 Complicated labor/delivery livebirth (W92) I < −0.2 I < −0.05
Adverse effects
 Adverse effect medical agent (A85) P > 15%
 Possible symptoms
 Sweating problem (A09) I > 5%
 Nausea (D09) P > 15% P > 15% P > 5%
 Rash generalized (S07) P > 15% P > 15% P > 15% P > 15% P > 5%
General diagnoses
 General deterioration (A05) I > 15% I > 15% I > 15% I > 15% P > 5%
 General symptom/complaint other (A29) I > 5%
 Complication of medical treatment (A87) I > 5%
 Disease digestive system, other (D99) I < −15%
 Other arterial obstruction/PVD (K92) I < −15% I < −5%
 Cardiovascular disease other (K99) I < −15% I < −0.05
Unrelated diagnoses
 Elevated blood pressure (K85) P < 5%
 Hypertension complicated (K87) I > 5%
 Epilepsy (N88) I > 0.2
 Chronic obstructive pulmonary disease (R95) I > 15% I > 5%
 Syphilis male (Y70) I < −0.05
  • I = Incidence; ICPC = International Classification of Primary Care; P = Prevalence.

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