For instance, despite a strong predictive association of Nuc-Stat5a in CSS analyses in Material VI, TTR in Material VI failed to reach statistical significance by univariate log-rank ( P = 0.11) and multivariate Cox regression models ( P = 0.087), whereas univariate Cox regression in Material VI indicated a twofold significant increased risk of breast cancer recurrence ( P = 0.033).
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Low levels of Stat5a protein in breast cancer are associated with tumor progression and unfavorable clinical outcomes.
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The sentences
Univariate Cox regression also revealed a significant increased risk of breast cancer recurrence in these patients (TTR univariate Cox regression HR = 2.15 (1.06, 4.35); P = 0.033; n = 55), although despite a clear separation of Kaplan-Meier curves, log-rank analysis did not reach statistical significance (TTR log-rank P = 0.11; n = 71; Figure 3D ).