A retrospective longitudinal cohort study of the clinical burden in myasthenia gravis

BMC Neurology

Table 5 Differences in MG crises, exacerbations, and hospitalizations between patients with refractory and non-refractory disease

Event	Percent difference in number of events between refractory and non-refractory MG (95% confidence interval)^a	P-value^b
Myasthenic crisis	− 27.9 (− 71.1, 79.1)	0.4816
MG exacerbation	309.3 (66.1, 908.8)	0.0022
MG-related inpatient hospitalization	73.0 (23.8, 141.8)	0.0013

MG myasthenia gravis
^aCalculated as events in patients with refractory disease minus events in those with non-refractory disease. ^bNumbers of events during the follow-up period were compared by negative binomial regression with age, sex, Charlson Comorbidity Index, and pre-specified comorbidities as baseline covariates

ISSN: 1471-2377