The phrase "a better factor in" is correct and usable in written English.
It can be used when discussing the influence or role of something in a particular situation or outcome, often in a comparative context.
Example: "In determining the success of the project, teamwork was a better factor in achieving our goals than individual effort."
Alternatives: "a more significant contributor to" or "a more important element in".
Performance status was poorly reported in the series included in the Casas review; good PS is a better prognostic factor in SCLC (Bremnes et al, 2003), and it is reasonable to assume it is so in SCC.
Age is one of the most important prognostic factors for GBM patients, and it has been shown in separate studies that the status of EGFR expression is a better prognostic factor in younger patients [ 7, 33].
Since systolic blood pressure response (SBPR) during exercise has been proposed to reflect cardiac pump reserve in patients with heart failure, we wished to determine whether LGE plus SBPR is a better prognostic factor in patients with DCM.
In conclusion, modeling genetic and environmental factors gives a better insight in factors influencing growth during gestation, and therefore birth weight.
No better factor structure than in the original SAQ could be found.
Blood vessel counts using CD105 are a better prognostic factor than CD34 in patients with breast cancer (Kumar et al, 1999).
In esophageal cancer, PLR is a better prognostic factor than NLR [ 15], whereas in endometrial cancer, NLR is a better prognostic factor [ 33].
Although relative PSA, taking into account PSA nadir, was a better predictive factor of PET/CT positivity in univariate analysis, this was most noticeable for high PSAs.
To date, plasma VEGF has not been shown to be a better prognostic factor than serum VEGF in any solid tumour (Werther et al, 2002).
IDH status has major prognostic implications for patients with diffuse gliomas, and was suggested to be a better predictive factor for benefit to chemotherapy in the RTOG trial on adjuvant PCV chemotherapy in anaplastic oligodendroglial tumors [ 20].
