Table 4. Correlations between selected biochemical markers in CSF and the indicated diagnoses.

Parameters		Diagnosis
		MS	CIS	NIND	OIND	Control	All
CHI3L1 vs. NFL	rs	0.460	0.422	0.503	0.964	0.857	0.595
	P	0.002	0.131	0.003	<0.001	0.0137	<0.0001
	n	42	14	31	7	7	105
CHI3L1 vs. pNFH	rs	0.691	-0.091	0.691	0.550	0.662	0.744
	P	<0.001	0.802	<0.001	0.125	0.010	<0.0001
	n	35	10	43	9	14	115
CHI3L1 vs. CXCL13	rs	0.302	0.421	0.391	0.371		0.205
	P	0.052	0.133	0.059	0.4131	n.a.	0.0482
	n	42	14	24	7		93

MS, multiple sclerosis; CIS, clinically isolated syndrome; OIND, other central nervous system inflammatory diseases, NIND, non-inflammatory diseases of the central nervous system, IDPNS, inflammatory diseases of the peripheral nervous system; r_s, Spearman’s correlation coefficient; n.a., not applicable