Fig. 6: RRMS to SPMS transition.
From: Associations of PFAS and OH-PCBs with risk of multiple sclerosis onset and disability worsening

Hazard ratios, confidence intervals (95% CI), and P values for concentrations associated with a transition from RRMS to SPMS (n = 801) were estimated using Cox proportional hazard analysis. No adjustments were made for multiple comparisons. The hazard ratio value is represented by the square and error bars represent its 95% CI. Important to note is that hazard ratios are calculated on log2 concentrations. PFAS compounds have been grouped into three groups: short-chain PFAS (pink), long-chain PFAS (purple), and FTS (blue), while OH-PCBs (green) are listed separately. Source data are provided as a Source Data file.