Table 4

Lung-RADS classification of LDCT, according to NLST criteria

VariableNLST criterianon NLST criteriaAllP value
Lung-RADS0.019
 Positive8 (10.1)14 (3.6)22 (4.7)
 Negative71 (89.9)379 (96.4)450 (95.3)
Total79 (100.0)393 (100.0)472 (100.0)
  • Lung-RADS positive (categories 3 and 4), negative (categories 1 and 2).

  • Fisher’s exact test.

  • LDCT, low-dose CT; NLST, National Lung Screening Trial.