TABLE 6

Differences Between Upper Lobe and Middle-to-Lower Lobe

CharacteristicUpper lobe (n = 50)*Middle-to-lower lobe (n = 58)P
Patient age66.9 ± 10.066.4 ± 9.7NS
BMI22.3 ± 3.221.9 ± 2.8NS
18F-FDG dosage (MBq/kg)4.67 ± 1.474.61 ± 1.47NS
BH time (s)59.5 ± 25.049.7 ± 15.1NS
Maximum diameter (cm)2.56 ± 0.782.48 ± 0.69NS
SUVmaxFB8.38 ± 5.157.79 ± 5.18NS
SUVmaxBH9.28 ± 5.5610.21 ± 5.93NS
%BH-index11.4 ± 13.939.6 ± 45.3<0.0001
  • * Upper lobe area includes S1, S2, S1 + 2, and S3.

  • Middle-to-lower lobe area includes S4, S5, S4 + 5, S6, S7, S8, S9, and S10.

  • NS = not statistically significant (P > 0.05).

  • Data are mean ± SD.