Table 2 The CT protocol of the two institutions
From: A CT-based nomogram for differentiating invasive fungal disease of the lung from bacterial pneumonia
Tube voltage (kVp) | Tube current (mAs) | Beam pitch | Detector collimation (mm) | Routine (matrix) | Slice thick (mm) | Slice interval (mm) | |
|---|---|---|---|---|---|---|---|
Training set | 120 | 100–120 | 1 | 1.25 | 512 × 512 | 1.25 | 1 |
Test set | 140 | 80–120 | 1 | 0.6 | 512 × 512 | 1.0 | 0.8 |