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Table 8 PLR studies related to treatment toxicities

From: Clinical implications of the serum platelet-to-lymphocyte ratio in the modern radiation oncology era: research update and literature review

Year

Article

Total N

Study end-point(s)

Disease(s)

Treatment(s)

Important results

2020

Han et al. [81]

379

EF

Esophageal ca.

CRT

High pretreatment PLR (> 153) was the independent factor of EF in multivariate analysis; PLR-based nomogram significantly predicted EF

2021

Yang et al. [82]

174

RP

Esophageal ca.

(C)RT

PLR (≥ 523.78) during 3–4 weeks of RT was the independent predictor of symptomatic RP in multivariate analysis; PLR including nomogram significantly predicted symptomatic RP

2022

Huang et al. [83]

84

OS, PFS, RP

NSCLC

(C)RT/(C)RT + durvalumab

Week 6 PLR ≥ 180 was associated with a lower risk of pneumonitis; week 6 PLR (continuous) was the independent indicator of PFS.

2022

Qui et al. [84]

187

Severe radiation esophagitis (≥ Gr2)

SCLC

(C)RT

Pretreatment high PLR (≥ 231.1) was the predictor of severe RE in univariate analysis only

  1. CRT: Chemoradiation therapy; PLR: Platelet to lymphocyte ratio; EF: Esophageal fistula; RT: Radiation therapy; RP: Radiation pneumonitis; OS: Overall survival; PFS: Progression free survival; NSCLC: Non-small cell lung cancer; Gr: Grade; SCLC: Small cell lung cancer; RE: Radiation esophagitis