Association between Elevated Plasma Vitamin B12 and Short-Term Mortality in Elderly Patients Hospitalized in an Internal Medicine Unit

Table 3

Results of univariate analysis: death at 1, 3, and 12 months in patients with normal B12 levels compared with patients with elevated B12 levels.

	Total	Normal B12	Elevated B12	value
Death at 1 month (%)	34 (10.3)	10 (6.1)	24 (14.5)	0.009
Death at 3 months (%)	64 (19.4)	22 (13.3)	42 (25.5)	0.008
Death at 12 months (%)	107 (32.4)	43 (26.1)	64 (38.8)	0.018
Death at end of follow up	206 (62.4)	106 (64.2)	100 (60.6)	0.57

Bold p values are < 0.05.