Clinical characteristics of each cluster of MG patients.

Footnotes: AChR-Ab, anti-acetylcholine receptor antibodies; ANA, anti-nuclear antibodies; MG, myasthenia gravis; MGFA, MG Foundation of America; MM, minimal manifestations; MuSK-Ab, anti-muscle-specific receptor tyrosine kinase antibodies; RyR-Ab, anti-ryanodine receptor antibodies; SNMG, AChR-Ab-negative MG; SPMG, AChR-Ab-positive MG; TAMG, thymoma-associated MG; TG/TPO-Ab, anti-thyroglobulin/thyroperoxidase antibodies; THMG, MG with thymic hyperplasia. Clinical characteristics of each cluster of MG patients.