Prognostic Value of Pretreated Blood Inflammatory Markers in Patients with Bone Sarcoma: A Meta-Analysis

Table 3

Subgroup analysis of the prognostic value of PLR for OS.

Subgroup analysis	No. of studies	(%)	HR	95% CI	value
OS; Total	7	69.6	1.32	0.99-1.75	0.059
Histology type
Osteosarcoma	5	68.4	1.19	0.9-1.57	0.229
Ewing sarcoma	2	0	2.03	1.2-3.43	0.009
Ethnicity
Asian	5	71.6	1.21	0.91-1.60	0.19
Non-Asian	2	0	2.27	1.15-4.49	0.019
Analysis method
MA	4	56	1.08	0.83-1.39	0.569
UA	3	0	1.87	1.33-2.62	<0.001

Abbreviations: PLR: platelet lymphocyte ratio; HR: hazard ratio; CI: confidence interval; MA: multivariate analysis; UA: univariate analysis.