From: Advances in intelligent diagnosis methods for pulmonary ground-glass opacity nodules
GGO (%) | Formula |
---|---|
< 50 | x = − 7.442 + (0.051 × age [years]) + (0.711 × presence of symptoms) + (0.066 × serum total protein [g/L] concentration) + (0.032 × diameter [mm]) + (1.071 × lobulation) + (1.220 × calcified nodes) |
≥ 50 | x = − 6.192 + (− 0.924 × sex) + (0.042 × FEV1%) + (0.131 × diameter [mm]) + (2.424 × calcified node [s]) |