TABLE 2.

Causes of Death and Mortality Rates per 1000 Person-Years Across Serum Bicarbonate Strata

	Serum Bicarbonate (mEq/L)
		<22	22–26	>26
Cause of death	Mortality rate per 1000 person-years (95% CI)	Mortality rate per 1000 person-years (95% CI)	Mortality rate per 1000 person-years (95% CI)
All cause deaths	9.59 (9.58–9.61)	8.72 (8.64–8.80)	13.48 (13.47–13.49)
Cardiovascular diseases	1.65 (1.64–1.66)	2.02 (2.02–2.02)	3.6 (3.59–3.61)
Malignancy	2.29 (2.28–2.29)	2.11 (2.10–2.12)	3.04 (3.02–3.05)
Chronic lower respiratory diseases	0.41 (0.40–0.42)	0.47 (0.46–0.48)	1.13 (1.12–1.14)
Alzheimer disease	0.05 (0.04–0.06)	0.27 (0.26–0.28)	0.38 (0.37–0.38)
Diabetes mellitus	0.47 (0.46–0.48)	0.25 (0.24–0.26)	0.37 (0.36–0.38)
Influenza and pneumonia	0.16 (0.15–0.17)	0.21 (0.20–0.21)	0.31 (0.30–0.33)
Kidney disease	0.42 (0.41–0.43)	0.17 (0.16–0.18)	0.14 (0.13–0.15)
Accidents (unintentional injuries)	0.83 (0.82–0.84)	0.39 (0.38–0.40)	0.62 (0.61–0.63)