Table 1.

Preoperative patient characteristics

All patientsEvaluable patients*Histopathologic respondersHistopathologic nonrespondersP value (responders vs. nonresponders)
N71491633
Age56 ± 1056 ± 956 ± 1356 ± 81.00
Male/female50/2137/1211/526/70.49
Lauren classification
    Intestinal/nonintestinal33/3826/2311/515/180.14
Localization
    Proximal/middle and distal50/2138/1113/325/81.00
Tumor FDG uptake
    Baseline (SUV)7.612.3 ± 6.913.1 ± 6.511.9 ± 7.20.34
    Day 14 (SUV)8.1 ± 4.26.1 ± 3.29.1 ± 4.40.03
    Change (%)−30 ± 24−48 ± 22−21 ± 20<0.0007
  • * Patients with sufficient FDG uptake.