Table 4.

Relationship between CSF values and relapse rate among pediatric-onset patients in the 5 years following baseline, using negative binomial regression.

CSF marker	IRR (95% CI)	Adjusted IRR (95% CI)a
Oligoclonal bands
Present (vs absent)	1.41 (0.36–5.33)	1.61 (0.42–6.12)
IgG index
High (vs normal)	1.28 (0.70–2.35)	1.12 (0.62–2.04)
Mononuclear cells
High (vs normal)	0.71 (0.41–1.22)	0.70 (0.40–1.21)

IRR incident rate ratio.

^aAdjusted for age at sampling, sex, region of Sweden, and time on first- and second-line DMTs.