Table 1 ARISCAT (Canet) risk index
Independent predictors of risk for PPCs | Risk score | |
|---|---|---|
Age, years | ||
≤ 50 | 0 | |
51–80 | 3 | |
> 80 | 16 | |
Preoperative SpO2, % | ||
≥ 96% | 0 | |
91–95% | 8 | |
≤ 90% | 24 | |
Respiratory infection in the last month | ||
No | 0 | |
Yes | 17 | |
Preoperative anemia (HbO2 ≤ 10 g/dl) | ||
No | 0 | |
Yes | 11 | |
Surgical incision | ||
Peripheral | 0 | |
Upper abdominal | 15 | |
Intrathoracic | 24 | |
Duration of surgery, hours | ||
≤ 2 | 0 | |
2–3 | 16 | |
> 3 | 23 | |
Emergency procedure | ||
No | 0 | |
Yes | 8 | |
Risk class | Number of points in risk score | Pulmonary complications rates |
Low risk | <26 points | 1.6% |
Intermediate risk | 26–44 points | 13.3% |
High risk | ≥45 points | 42.1% |