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Table 1 Correlations between clinicopathological characteristics and PD-L1 expression before NAC, after NAC, as well as the change of PD-L1

From: Variation of PD-L1 expression in locally advanced cervical cancer following neoadjuvant chemotherapy

 AgeFIGO stageHistological gradeClinical responseLymph node metastasisHPV status
< 40≥40Ib2IIa2I-IIIIICRNon-CRYesNo+_
PD-L1 before NAC 
Low1680682880167125987363
High153128183511379541753
p value (χ2)0.031 (4.631)0.235 (1.410)0.303 (1.060)0.397 (0.716)0.780 (0.078)0.374 (0.791)
PD-L1 after NAC 
Low1858522462146115571634
High1353442253134719957482
p value (χ2)0.566 (0.329)0.824 (0.050)0.847 (0.037)0.207 (1.589)0.159 (1.980)0.633 (0.228)
PD-L1 change 
increase/stable20857332871874311293803
decrease11262314289343235313
p value (χ2)0.176 (1.829)0.411 (0.677)0.338 (0.916)0.009 (6.890)0.291 (1.117)0.246 (1.345)