Coefficients allocated to variables included in the Epithor conversion score equation to determine the risk for intraoperative conversion
| Variable . | Coefficient . | Standard error . |
|---|---|---|
| BMI (for each 1 kg/m²) | 0.0358 | 0.0079 |
| Preop. FEV1 (for each 1%) | −0.00411 | 0.0020 |
| Previous thoracic surgery | 0.4348 | 0.2425 |
| History of smoking | 0.1696 | 0.0747 |
| Peripheral arterial disease | 0.2516 | 0.1149 |
| Cardiac arrhythmia | 0.2812 | 0.1320 |
| Antiplatelet therapy | 0.3358 | 0.1533 |
| Previous thoracic trauma | 1.5877 | 0.5168 |
| Chronic kidney failure | 0.8153 | 0.1914 |
| Drug addiction | 0.7952 | 0.3547 |
| Type II diabetes | 0.3040 | 0.1083 |
| Extent of resection | ||
| Lobectomy | 0 | |
| Bilobectomy | 0.8289 | 0.2792 |
| Pneumonectomy | 3.5230 | 1.1109 |
| Segmentectomy | −0.4944 | 0.1202 |
| cN status | ||
| cN0 | 0 | |
| cN1 | 0.6501 | 0.1489 |
| cN2 | 0.2279 | 0.2165 |
| cN3 | 2.0558 | 0.9171 |
| Variable . | Coefficient . | Standard error . |
|---|---|---|
| BMI (for each 1 kg/m²) | 0.0358 | 0.0079 |
| Preop. FEV1 (for each 1%) | −0.00411 | 0.0020 |
| Previous thoracic surgery | 0.4348 | 0.2425 |
| History of smoking | 0.1696 | 0.0747 |
| Peripheral arterial disease | 0.2516 | 0.1149 |
| Cardiac arrhythmia | 0.2812 | 0.1320 |
| Antiplatelet therapy | 0.3358 | 0.1533 |
| Previous thoracic trauma | 1.5877 | 0.5168 |
| Chronic kidney failure | 0.8153 | 0.1914 |
| Drug addiction | 0.7952 | 0.3547 |
| Type II diabetes | 0.3040 | 0.1083 |
| Extent of resection | ||
| Lobectomy | 0 | |
| Bilobectomy | 0.8289 | 0.2792 |
| Pneumonectomy | 3.5230 | 1.1109 |
| Segmentectomy | −0.4944 | 0.1202 |
| cN status | ||
| cN0 | 0 | |
| cN1 | 0.6501 | 0.1489 |
| cN2 | 0.2279 | 0.2165 |
| cN3 | 2.0558 | 0.9171 |
BMI: body mass index; preop. FEV1: preoperative forced expiratory volume in 1 s.
Coefficients allocated to variables included in the Epithor conversion score equation to determine the risk for intraoperative conversion
| Variable . | Coefficient . | Standard error . |
|---|---|---|
| BMI (for each 1 kg/m²) | 0.0358 | 0.0079 |
| Preop. FEV1 (for each 1%) | −0.00411 | 0.0020 |
| Previous thoracic surgery | 0.4348 | 0.2425 |
| History of smoking | 0.1696 | 0.0747 |
| Peripheral arterial disease | 0.2516 | 0.1149 |
| Cardiac arrhythmia | 0.2812 | 0.1320 |
| Antiplatelet therapy | 0.3358 | 0.1533 |
| Previous thoracic trauma | 1.5877 | 0.5168 |
| Chronic kidney failure | 0.8153 | 0.1914 |
| Drug addiction | 0.7952 | 0.3547 |
| Type II diabetes | 0.3040 | 0.1083 |
| Extent of resection | ||
| Lobectomy | 0 | |
| Bilobectomy | 0.8289 | 0.2792 |
| Pneumonectomy | 3.5230 | 1.1109 |
| Segmentectomy | −0.4944 | 0.1202 |
| cN status | ||
| cN0 | 0 | |
| cN1 | 0.6501 | 0.1489 |
| cN2 | 0.2279 | 0.2165 |
| cN3 | 2.0558 | 0.9171 |
| Variable . | Coefficient . | Standard error . |
|---|---|---|
| BMI (for each 1 kg/m²) | 0.0358 | 0.0079 |
| Preop. FEV1 (for each 1%) | −0.00411 | 0.0020 |
| Previous thoracic surgery | 0.4348 | 0.2425 |
| History of smoking | 0.1696 | 0.0747 |
| Peripheral arterial disease | 0.2516 | 0.1149 |
| Cardiac arrhythmia | 0.2812 | 0.1320 |
| Antiplatelet therapy | 0.3358 | 0.1533 |
| Previous thoracic trauma | 1.5877 | 0.5168 |
| Chronic kidney failure | 0.8153 | 0.1914 |
| Drug addiction | 0.7952 | 0.3547 |
| Type II diabetes | 0.3040 | 0.1083 |
| Extent of resection | ||
| Lobectomy | 0 | |
| Bilobectomy | 0.8289 | 0.2792 |
| Pneumonectomy | 3.5230 | 1.1109 |
| Segmentectomy | −0.4944 | 0.1202 |
| cN status | ||
| cN0 | 0 | |
| cN1 | 0.6501 | 0.1489 |
| cN2 | 0.2279 | 0.2165 |
| cN3 | 2.0558 | 0.9171 |
BMI: body mass index; preop. FEV1: preoperative forced expiratory volume in 1 s.
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