Selection of Negative Symptoms From Electronic Health Records and Their Equivalence to the Marder Negative Factor Items Within the PANSS
| Items Extracted From Electronic Health Record . | PPV/Sensitivity . | Marder Negative Factor Items Within the PANSS . |
|---|---|---|
| Blunted affect | 0.93/0.83 | N1. Blunted affect |
| Emotional withdrawal | 0.85/0.74 | N2. Emotional withdrawal |
| Poor rapport | 0.91/0.77 | N3. Poor rapport |
| Social isolation | 0.94/0.96 | N4. Passive apathetic social withdrawal |
| G16. Active social avoidance | ||
| Poverty of speech | 0.80/0.73 | N6. Lack of spontaneity and conversation flow |
| Mutism | 0.99/0.94 | |
| Psychomotor retardation (droppeda) | 0.55/0.65 | G7. Motor retardation |
| Items Extracted From Electronic Health Record . | PPV/Sensitivity . | Marder Negative Factor Items Within the PANSS . |
|---|---|---|
| Blunted affect | 0.93/0.83 | N1. Blunted affect |
| Emotional withdrawal | 0.85/0.74 | N2. Emotional withdrawal |
| Poor rapport | 0.91/0.77 | N3. Poor rapport |
| Social isolation | 0.94/0.96 | N4. Passive apathetic social withdrawal |
| G16. Active social avoidance | ||
| Poverty of speech | 0.80/0.73 | N6. Lack of spontaneity and conversation flow |
| Mutism | 0.99/0.94 | |
| Psychomotor retardation (droppeda) | 0.55/0.65 | G7. Motor retardation |
Note: PANSS, Positive and Negative Syndrome Scale; PPV, positive predictive value.
aDropped from the study due to low PPV (0.55) and sensitivity (0.65) of the “free text” extraction tool, and due to its being recorded mainly as secondary negative symptom.
Selection of Negative Symptoms From Electronic Health Records and Their Equivalence to the Marder Negative Factor Items Within the PANSS
| Items Extracted From Electronic Health Record . | PPV/Sensitivity . | Marder Negative Factor Items Within the PANSS . |
|---|---|---|
| Blunted affect | 0.93/0.83 | N1. Blunted affect |
| Emotional withdrawal | 0.85/0.74 | N2. Emotional withdrawal |
| Poor rapport | 0.91/0.77 | N3. Poor rapport |
| Social isolation | 0.94/0.96 | N4. Passive apathetic social withdrawal |
| G16. Active social avoidance | ||
| Poverty of speech | 0.80/0.73 | N6. Lack of spontaneity and conversation flow |
| Mutism | 0.99/0.94 | |
| Psychomotor retardation (droppeda) | 0.55/0.65 | G7. Motor retardation |
| Items Extracted From Electronic Health Record . | PPV/Sensitivity . | Marder Negative Factor Items Within the PANSS . |
|---|---|---|
| Blunted affect | 0.93/0.83 | N1. Blunted affect |
| Emotional withdrawal | 0.85/0.74 | N2. Emotional withdrawal |
| Poor rapport | 0.91/0.77 | N3. Poor rapport |
| Social isolation | 0.94/0.96 | N4. Passive apathetic social withdrawal |
| G16. Active social avoidance | ||
| Poverty of speech | 0.80/0.73 | N6. Lack of spontaneity and conversation flow |
| Mutism | 0.99/0.94 | |
| Psychomotor retardation (droppeda) | 0.55/0.65 | G7. Motor retardation |
Note: PANSS, Positive and Negative Syndrome Scale; PPV, positive predictive value.
aDropped from the study due to low PPV (0.55) and sensitivity (0.65) of the “free text” extraction tool, and due to its being recorded mainly as secondary negative symptom.
This PDF is available to Subscribers Only
View Article Abstract & Purchase OptionsFor full access to this pdf, sign in to an existing account, or purchase an annual subscription.
