In a univariate Cox regression, the composite score approached but did not reach significance ( p = 0.056), with a hazard ratio of 2.80 (95% CI: 0.975–8.028), suggesting a 2.8‐fold increase in the risk of death per unit increase in composite score.
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Prognostic Value of a Histopathological Scoring System and the Ki67 Proliferation Index in Dogs With Phaeochromocytoma.
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0.0560
0.0560
The sentences
borderline significantp = 0.056
Kaplan–Meier analysis showed significantly poorer survival ( p < 0.001) in dogs with a high Ki67 PI (≥ 18%), whereas the composite score showed a borderline significant association with outcome in Cox regression ( p = 0.056; hazard ratio 2.80).