TABLE 2

18F-FDG Uptake of Primary Tumors in Relation to Patient Clinical Parameters

SUV category*
VariableTotal patients≤5.5 (n = 11)>5.5 (n = 10)P
Comparison of numbers of patients
 Sex, M/F14/77/47/30.999
 Age, ≤60/>60 y18/39/29/10.999
 B symptoms, no/yes13/89/24/60.080
 ECOG PS, 0–1/≥219/210/19/10.999
 IPI score, 0–1/≥213/89/24/60.080
 LDH level, normal/elevated8/137/41/90.024
 Local invasion of primary tumor, no/yes14/710/14/60.024
 Lymph node involvement, no/yes14/78/36/40.659
 Ann Arbor stage, I–II/III–IV16/510/16/40.149
 Response to initial therapy, no/yes5/160/115/50.012
Comparison of mean SUVs (±SD)
 B symptoms, no/yes4.8 ± 3.16.4 ± 2.10.070
 IPI score, 0–1/≥24.6 ± 2.46.8 ± 3.00.070
 LDH level, normal/elevated3.5 ± 1.46.7 ± 2.80.014
 Local invasion of primary tumor, no/yes4.6 ± 2.17.3 ± 3.30.037
 Response to initial therapy, no/yes4.5 ± 2.18.4 ± 2.90.010
  • * Maximal SUV of focal 18F-FDG uptake of primary tumors.

  • Fisher exact test, P < 0.05.

  • Mann–Whitney test, P < 0.05.

  • ECOG PS = Eastern Cooperative Oncology Group performance status.