Table 3.

Univariate and multivariate Cox regression analysis for OMG conversion and CSR

	Univariate		Multivariate
	HR (95% CI)	p value	HR (95% CI)	p value
Conversion
RNS (+)	7.462 (1.651–33.718)	0.009*	6.007 (1.316–27.412)	0.021*
Anti-AchR Ab (+)	6.428 (0.832–49.681)	0.075
B2/B3 thymoma versus Hyperplasia + AB/B1 thymoma	5.987 (1.325–27.044)	0.020*	4.611 (1.010–21.043)	0.048*
CSR
Onset age > 60 versus ≤ 60	0.230 (0.052–1.011)	0.052
RNS (+)	0.378 (0.122–1.175)	0.093
Anti-AchR Ab (+)	0.396 (0.147–1.068)	0.067
Stage II/III thymoma versus Hyperplasia + stage I thymoma	0.300 (0.104–0.864)	0.026*	0.300 (0.104–0.864)	0.026*

Values in boldface as well as * indicate statistically significant

CSR complete stable remission, OMG ocular myasthenia gravis, AChR-ab anti-acetylcholine receptor antibody, RNS repetitive nerve stimulation, HR hazard ratio

^*Statistically significant