Table 4.

Factors affecting clinical scores

	OR	95% CI		P
Age	0.999	0.994	1.003	NS
Sex	1.183	0.902	1.555	NS
Duration of weakness	0.982	0.966	0.999	0.0345
Distribution of weakness	1.262	1.026	1.555	0.0275
Cranial nerve involvement	1.287	0.889	1.858	NS
CSF protein level	0.998	0.996	1.001	NS
Ventilation	3.184	1.788	5.682	<0.0001
Duration of hospitalization	1.047	1.037	1.057	<0.0001
Antecedent infection	1.203	0.902	1.605	NS