TABLE 3.

Univariate and multivariate overall survival analyses of PCNSL (n = 63)

	Univariate			Multivariate
	HR	95% CI	P‐value	HR	95% CI	P‐value
CSF CXCL13 a	1.001	1.000 ~ 1.001	.0035	1.001	1.000 ~ 1.001	.0047
Age a	1.021	0.985 ~ 1.060	.251	1.018	0.979 ~ 1.058	.357
Sex	1.022	0.501 ~ 1.997	.950	1.028	0.518 ~ 2.128	.938
KPS a	1.985	0.957 ~ 1.013	.302	0.992	0.962 ~ 1.022	.606

Abbreviations: CI, confidence interval; HR, hazard ratio; KPS, Karnofsky performance status; PCNSL, primary central nervous system lymphoma.

^aContinuous variable.