Research Article
Correlation of Peripheral Blood Parameters and Immune-Related Adverse Events with the Efficacy of Immune Checkpoint Inhibitors
Table 3
Analysis of predictors of OS.
| Variable | Kaplan–Meier analysis | Cox multivariate regression analysis | HR | 95% CI | | HR | 95% CI | |
| Age | 0.86 | 0.51–1.44 | 0.56 | | | | Sex | 0.78 | 0.41–1.46 | 0.46 | | | | ECOG PS | 1.04 | 0.51–2.09 | 0.92 | | | | BMI | 0.91 | 0.54–1.54 | 0.73 | | | | Smoking | 1.21 | 0.72–2.02 | 0.47 | | | | Distant metastasis | 0.69 | 0.40–1.19 | 0.16 | | | | Treatment lines | 0.97 | 0.53–1.79 | 0.86 | | | | Bone metastasis | 0.60 | 0.26–1.35 | 0.13 | | | | Treatment regimen (anti-PD-1/PD-L1) | 2.55 | 1.05–6.20 | 0.003 | 2.31 | 1.17–4.56 | 0.016 | PLR (cutoff = 206.5) | 1.84 | 1.09–3.10 | 0.032 | 2.12 | 1.08–4.15 | 0.028 | LDH (cutoff = 194.5 U/L) | 3.24 | 1.81–5.81 | 0.004 | 2.65 | 1.08–6.52 | 0.034 | AMC (cutoff = 0.62 × 109/L) | 2.26 | 0.90–5.70 | 0.015 | 3.98 | 1.83–8.65 | 0.0005 |
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Indicators with statistical significance; —Represents no usability data; AMC, absolute monocyte count; LDH, lactate dehydrogenase; PLR, plateletlymphocyte ratio; PD-1, programmed cell death protein-1; PD-L1, programmed cell death ligand-1; BMI, body mass index. |