Table 3.

Results of single‐predictor Cox proportional hazard models for mortality.

	Mortality
	HR (95% CI)	P‐value
Age at symptom onset	1.07 (0.99–1.15)	0.091
Female	8.03 (1.00–64.37)	0.050
Cancer	8.03 (1.00–64.37)	0.050
SCLC	18.18 (3.55–93.04)	<0.001
CNS	2.71 (0.56–13.16)	0.22
Cerebellar ataxia	0.51 (0.11–2.47)	0.40
Myelopathy	3.83 (1.03–14.33)	0.046
Autoimmune encephalopathy	2.05 (0.51–8.29)	0.32
Neuropathy/radiculopathy	2.16 (0.54–8.71)	0.28
Optic neuropathy	0.48 (0.06–3.83)	0.49

Bolded values indicate significant P‐value (<0.05).

Abbreviations: SCLC, small cell lung cancer; CNS, central nervous system; HR, hazard ratio; CI, confidence interval.