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Table 2 Summary of clinical outcomes from systematic review

From: Prognostic effect of programmed death-ligand 1 (PD-L1) in ovarian cancer: a systematic review, meta-analysis and bioinformatics study

 

Studies

HR with 95% CI

P heterogeneity

P values

N

Overall survival

7

1.13 (0.63–2.04)

0.001

0.673

835

Progression-free survival

5

1.18 (0.70–1.98)

0.001

0.532

495

Disease-specific survival

1

0.607 (0.399–0.925)

NA

0.02

195

Disease-free survival

1

NA

NA

> 0.05

112

  1. HR hazard ratio, 95% CI 95% confidence interval, NA not applicable, N the number of the study population