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Table 2 Comparison of four radiomic features and rad-score between lepidic group and acinar-papillary group

From: Value of 18F-FDG PET/CT-based radiomics model to distinguish the growth patterns of early invasive lung adenocarcinoma manifesting as ground-glass opacity nodules

Growth pattern group

Lepidic

n = 18

Acinar-papillary

n = 75

P value

Rad-score

− 6.485 (− 6.698–6.142)

− 5.931 (− 6.283–5.466)

< 0.001

Features PET

 SHAPE_Sphericity

1.062 (1.040–1.099)

1.042 (0.998–1.069)

0.027

 GLZLM_ZLNU

1.432 (1.050–2.377)

2.529 (1.333–5.773)

0.024

Features CT

   

 HISTO_Kurtosis

2.653 (2.352–3.945)

2.380 (2.151–2.754)

0.029

 GLZLM_SZLGE

0.003 (0.002–0.004)

0.001 (0.001–0.003)

0.047

  1. The value of each radiomic feature was expressed as median (25th to 75th percentiles)
  2. Rad-score radiomics signature score