Barely Significant

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In a multivariate regression analysis, a GLR > 92.72 [hazard ratio (HR) = 2.475, 95% confidence interval (CI): 1.502–4.078, p < 0.001] was identified as an independent predictors of long-term DSS prognosis, while CA19-9 > 145.35 U/mL (HR = 1.577, 95% CI: 0.966–2.572, p = 0.068) and the presence of symptoms (HR = 1.582, 95% CI: 0.974–2.568, p = 0.064) were expected to be marginally significant independent predictors of DSS prognosis ( Table 2 , Figure 1 ).
The XELOXA trial comparing 5-FU to a combination of CAPOX showed a trend toward benefit from the addition of oxaliplatin in terms of DFS and OS in elderly patients, although this was diminished compared to younger patients and was not statistically significant [ 66 , 67 ].
Charlson-Deyo comorbidity score groups of 1 (HR 1.22, 95% CI 1.06–1.41), 2 (HR 1.8, 95% CI 1.47–2.22), and 3 or more (HR 2.46, 95% CI 1.94–3.12) were associated with statistically significantly worse OS compared with the score 0 group, demonstrating a clear trend of decreasing survival as the comorbidity score increased.
There was no significant association between the other exposures related to contraception, parity, menopause, hormone replacement therapy, and fertility with all-cause mortality across the survival time intervals; however, there was a marginally significant association between age at menarche >14 years old and mortality in the intermediate survival interval of 6 to <10 years compared to age at menarche ≤12 years old (HR 1.60; 95% CI 1.01, 2.52; p < 0.05).
Conclusions Similar to studies in primary brain tumors, we found a qualitative attenuation of the BOLD signal in the metastasis-affected hemisphere compared to the contralateral hemisphere, as well as considerably significant changes in functional connectivity (FC) in the presence of BM in this study.
A further subpopulation analysis, including 70 patients (85%) without metastases at presentation, revealed that rWIR as a binary variable nearly approached significance, suggesting an association with EFS (HR: 2.3; 95% CI: 1.0–5.2) ( Table 3 ). rWIR as a continuous variable was significantly associated with EFS (HR: 0.7; 95% CI: 0.5–0.9).