Table 6.

logistic regression model for predictors of myasthenic crisis among patients without thymoma (n = 203).

Predictors	Odds Ratio	Lower 95% CI	Upper 95% CI	P value
Start age (years)	1.016	0.996	1.038	0.085
Sex (male)	0.926	0.482	1.778	0.612
Thymectomy (performed)	0.234	0.113	0.484	<0.001
Osserman classification (score III)	1.269	0.410	3.928	0.529
Start age category (one third of younger patients)	0.272	0.097	0.759	0.021