Table 3 Multivariate analyses of risk factors for RFS.

From: Adjuvant imatinib for patients with high-risk gastrointestinal stromal tumors: a retrospective cohort study

Covariates

HR

95%CI

P

GI bleeding

1.24

0.73

2.11

0.43

Tumor mitotic rate

2.01

1.38

2.94

<0.001

Tumor site

1.87

1.13

3.10

0.01

Tumor size

1.06

1.02

1.11

0.002

Duration of adjuvant imatinib

−1.95

1.93

1.97

<0.001

  1. HR: hazard ratio.