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. 2020 Jan 8;13:151–161. doi: 10.2147/OTT.S233244

Table 3.

Relationship Between Blood Parameters and DFS Analyzed by ROC

Blood Parameters Area Under the Curve P-value Optimal Cut-off Point
Baseline ALC 0.627 0.021 1.78 (×109 cells/L)
Baseline NLR 0.648 0.007 2.32
Baseline PLR 0.569 0.210 176.74
Preoperative ALC 0.608 0.048 1.62 (×109 cells/L)
Preoperative NLR 0.574 0.176 2.34
Preoperative PLR 0.515 0.787 186.61
ALC nadir during RT 0.610 0.045 0.96 (×109 cells/L)
NLR during RT 0.502 0.966 4.04
PLR during RT 0.621 0.028 282.915

Abbreviations: DFS, disease-free survival; ROC, receiver operating characteristics curve; ALC, absolute lymphocyte counts; NLR, neutrophil-to-lymphocyte ratio; PLR, platelet-to-lymphocyte ratio; RT, radiation therapy.