Table 2.

Prognostic factors for PFS

ParameterMedian PFS (mo), logrank PMultivariate analysis
Hazard ratioP
KIT mutation: exon 11 vs others60 vs 33, P = 0.19
Granulocyte count: normal vs high61 vs 31, P = 0.07
Largest lesion at entry: <12 vs >12 cm49 vs 44; P = 0.83
Primary tumor: gastric vs other locationNot reached vs 44, P = 0.68
Dose of imatinib: 800 vs 400 mgNot reached vs 36, P = 0.13
NK IFNγ 2 mo vs baseline: increased vs decreasedNot reached vs 31, P = 0.0020.3390.003