Prognostic significance of the neutrophil-to-lymphocyte ratio in peripheral T-cell lymphoma: a meta-analysis

Table 3 Association between NLR and clinicopathological characteristics

Category	No. of studies	No. of patients	Pooled OR (95% CI)	P-value for effects model	Heterogeneity
Category	No. of studies	No. of patients	Pooled OR (95% CI)	P-value for effects model	I² (%)	P-value
Ann Arbor stage (I–II vs. III–IV)	6	686	0.62 (0.26, 1.51)	0.292	62.0	0.022
IPI score (0–2 vs. 3–5)	4	312	0.4 (0.14, 1.11)	0.079	74.0	0.009
B symptoms (+ vs. −)	6	688	1.33 (0.95, 1.88)	0.101	0.0	0.654
LDH (elevated vs. normal)	7	726	1.77 (1.26, 2.48)	0.001	32.3	0.181
ECOG-PS (0–1 vs. 2–4)	6	651	0.47 (0.24, 0.94)	0.032	61.9	0.022

IPI international prognostic index, LDH lacticdehydrogenase, ECOG-PS Eastern Cooperative Oncology Group-performance status

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