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Scoring systems for ICU and surgical patients:

Lung Resection Score

Variables (help)	Values
Age (years)
ppoFEV1 ( %)
Cardiac Comorbidity Yes No
Predicted Mortality: Logit = -6.97+0.095Xage-0.042ppoFEV Predicted Mortality = 1/ (1 + e-Logit) e
Predicted Morbidity: Logit = -2.4 +0.03Xage-0.02ppoFEV + 0.6Xcardiac comorbidity Predicted Morbidity = 1/ (1 + e-Logit) e

Reference

Brunelli A. et al. Risk-adjusted morbidity and mortality models to compare the performance of two units after major lung resections. J Thorac Cardiovasc Surg 2007;133:88-96

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ppoFEV₁ : predicted postoperative forced expiratory volume in 1 second (expressed as percentage of normal value for age, sex and height)
Values were calculated by estimating the amount of functioning parenchyma removed during operation by means of bronchoscopy, computed tomography and quantitative lung perfusion.

Cardiac comorbidity was defined as follows :

previous cardiac surgery,
previous myocardial infarction
history of coronary artery disease
current treatment for arrythmia, cardiac failure or hypertension

Postoperative Mortality and Morbidity were considered as those occuring within 30 days postoperatively or for a longer period if the patient was still in the hospital.

Outcome variables
Respiratory failure requiring mechanical ventilation for more more than 48 hours
Pneumonia (chest radiographic infiltrates, increased white blood cell count, and fever)
Atelectasis requiring bronchoscopy
Adult respiratory distress syndrome
Pulmonary edema
Pulmonary embolism
Myocardial infarction (suggestive EKG findings and increased myocardial enzymes)
Hemodynamically unstable arrythmia requiring medical treatment
Cardiac failure (suggestive chest radiographs, physical examination and symptoms
Acute renal failure (change in serum creatinine level>2mg/dL compared with preoperative values)
Stroke

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