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. Author manuscript; available in PMC: 2017 Nov 12.
Published in final edited form as: J Hypertens. 2013 Nov;31(11):2136–2141. doi: 10.1097/HJH.0b013e3283642f18

TABLE 4.

Association between serum magnesium concentration and intravenous administration of vasopressors during first 24 h of ICU carea

Odds ratio for intravenous vasopressor administration
Mg ≤ 2.6 Mg >2.6 Odds increase per 1 mg/dl increase
in magnesium concentration
Model 1a 1.00 (Ref.) 2.77 (2.38,3.25) P < 0.001 1.65 (1.49, 1.81) P < 0.001
Model 2b 1.00 (Ref.) 2.36 (1.97, 2.83) P < 0.001 1.70 (1.53–1.90) P < 0.001
Model 3c 1.00 (Ref.) 2.48 (2.06, 3.00) P < 0.001 1.82 (1.62–2.03) P < 0.001
a

Model 1 adjust for age, sex, and race.

b

Model 2 adjusts for age, sex, race, all 30 Elixhauser comorbidities, heart rate, temperature, oxygen saturation, admission systolic blood pressure, WBC, hematocrit, sodium, calcium, and phosphate.

c

Model 3 adjusts for age, sex, race, all 30 Elixhauser comorbidities, heart rate, temperature, oxygen saturation, admission systolic blood pressure, WBC, hematocrit, sodium, calcium, phosphate, BUN, creatinine at admission and after 24 h, presence of oliguria, and prehospital diuretic exposure.