The effects of AChR-antibody concentration^a) on MGFA classification according to medication group and time since onset based on multiple ordinal logistic regression of 67 MG patients at Haukeland University Hospital, Bergen, Norway from 1983–2013.

<p><i>Abbreviations:</i> AChR: Acetylcholine receptor; MGFA: Myasthenia gravis Foundation of America (1–5); MG: Myasthenia gravis; CI: Confidence interval.</p><p>a)Odds ratio per 100 nmol/L.</p><p>b)Patients treated with pyridostigmine only.</p><p>c)Patients treated with immunosuppressive drugs.</p><p>The effects of AChR-antibody concentration^{<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0114060#nt107" target="_blank">a)</a>} on MGFA classification according to medication group and time since onset based on multiple ordinal logistic regression of 67 MG patients at Haukeland University Hospital, Bergen, Norway from 1983–2013.