Table 3.

Odds ratio for patient's admission with Guillain-Barré syndrome based on sex and year of admission

		Total number of hospital admissions	Number of admitted GBS patients	GBS patients per 10,000 admissions	Odds ratio¥ (95% CI)	P
Sex	Male	128611	162	10.0	1	-
	Female	233297	234	12.6	1.18 (0.96-1.44)	0.113
Year	2000	24676	22	8.9	1	-
	2001	28267	33	11.7	1.31 (0.76-2.25)	0.328
	2002	29996	33	11.0	1.23 (0.72-2.12)	0.445
	2003	32155	37	11.5	1.29 (0.76-2.19)	0.344
	2004	34410	27	7.9	0.88 (0.50-1.55)	0.657
	2005	32955	33	10.0	1.12 (0.66-1.93)	0.673
	2006	36112	39	10.8	1.21 (0.72-2.04)	0.472
	2007	37918	46	12.1	1.36 (0.82-2.26)	0.235
	2008	40863	50	12.2	1.37 (0.83-2.27)	0.216
	2009	40338	69	17.1	1.92 (1.19-3.1)	0.008

^¥Odds ratio was created by assuming the number of admitted patients with GBS per 10,000 total admission in 2000 or male sex as reference; GBS = Guillain-Barre syndrome