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!colspan=2|Examples of prediction rules | !colspan=2|Examples of prediction rules | ||
|- | |- | ||
|colspan=2|'''Cardiovascular diseases''' | | Risk Score | ||
| Purpose | |||
|- | |||
|style="text-align:center"|colspan=2|'''Cardiovascular diseases''' | |||
|- | |- | ||
|Active cancer (treatment within last 6 months or palliative) | |Active cancer (treatment within last 6 months or palliative) | ||
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|style="text-align:center"| - 2 | |style="text-align:center"| - 2 | ||
|- | |- | ||
|} | |||
{| class=wikitable border=1 | |||
!Variable | |||
!Score | |||
|- | |||
!colspan=2|Age | |||
|- | |||
|60–79 years | |||
|style="text-align:center"|1.0 | |||
|- | |||
|80+ years | |||
|style="text-align:center"|2.0 | |||
|- | |||
!colspan=2|Previous venous thromboembolism | |||
|- | |||
|History of prior [[DVT]] or [[PE]] | |||
|style="text-align:center"|2.0 | |||
|- | |||
!colspan=2|Previous surgery | |||
|- | |||
|Recent surgery within 4 weeks | |||
|style="text-align:center"|3.0 | |||
|- | |||
!colspan=2|Heart rate | |||
|- | |||
|[[Heart rate]] >100 beats per minute | |||
|style="text-align:center"|1.0 | |||
|- | |||
!colspan=2|PaCO<sub>2</sub> (partial pressure of CO<sub>2</sub> in arterial blood) | |||
|- | |||
|<35mmHg | |||
|style="text-align:center"|2.0 | |||
|- | |||
|35-39mmHg | |||
|style="text-align:center"|1.0 | |||
|- | |||
!colspan=2|PaO<sub>2</sub> (partial pressure of O<sub>2</sub> in arterial blood) | |||
|- | |||
|<49mmHg | |||
|style="text-align:center"|4.0 | |||
|- | |||
|49-59mmHg | |||
|style="text-align:center"|3.0 | |||
|- | |||
|60-71mmHg | |||
|style="text-align:center"|2.0 | |||
|- | |||
|72-82mmHg | |||
|style="text-align:center"|1.0 | |||
|- | |||
!colspan=2|Chest X-ray findings | |||
|- | |||
|Band [[atelectasis]] | |||
|style="text-align:center"|1.0 | |||
|- | |||
|Elevation of hemidiaphragm | |||
|style="text-align:center"|1.0 | |||
|} | |} | ||
Revision as of 14:46, 14 May 2012
| Examples of prediction rules | |
|---|---|
| Risk Score | Purpose |
| colspan=2|Cardiovascular diseases | |
| Active cancer (treatment within last 6 months or palliative) | 1 |
| Calf swelling >3 cm compared to other calf (measured 10 cm below tibial tuberosity) | 1 |
| Collateral superficial veins (non-varicose) | 1 |
| Pitting edema (confined to symptomatic leg) | 1 |
| Swelling of entire leg | 1 |
| Localized pain along distribution of deep venous system | 1 |
| Paralysis, paresis, or recent cast immobilization of lower extremities | 1 |
| Recently bedridden > 3 days, or major surgery requiring regional or general anesthetic in past 12 weeks | 1 |
| Previously documented DVT | 1 |
| Alternative diagnosis at least as likely | - 2 |
| Variable | Score |
|---|---|
| Age | |
| 60–79 years | 1.0 |
| 80+ years | 2.0 |
| Previous venous thromboembolism | |
| History of prior DVT or PE | 2.0 |
| Previous surgery | |
| Recent surgery within 4 weeks | 3.0 |
| Heart rate | |
| Heart rate >100 beats per minute | 1.0 |
| PaCO2 (partial pressure of CO2 in arterial blood) | |
| <35mmHg | 2.0 |
| 35-39mmHg | 1.0 |
| PaO2 (partial pressure of O2 in arterial blood) | |
| <49mmHg | 4.0 |
| 49-59mmHg | 3.0 |
| 60-71mmHg | 2.0 |
| 72-82mmHg | 1.0 |
| Chest X-ray findings | |
| Band atelectasis | 1.0 |
| Elevation of hemidiaphragm | 1.0 |