AQP4 and Cognitive impairment: The adjusted RR for cognitive impairment was 1.9 (95% CI 0.9–4.1) for MOGAD, 1.9 (95% CI 1.0–3.9) for AQP4+NMOSD, and 2.1 (95% CI 0.9–4.6) for dsNMOSD (see Table 3 and Supplemental Table 1 for the conducted tests).