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Table 4 Cox proportional hazard model investigating the association of calcium supplementation with 90-day mortality

From: Calcium supplementation improves clinical outcome in intensive care unit patients: a propensity score matched analysis of a large clinical database MIMIC-II

 

Hazard ratio

95 % lower limit

95 % upper limit

p

Total calcium (mmol)

1.0004

1.0002

1.0007

<0.001

Creatinine on entry

1.1161

1.0892

1.1436

<0.001

First calcium

0.2873

0.1935

0.4267

<0.001

Sex

0.9201

0.8502

0.9958

<0.05

Age

1.0306

1.0274

1.0338

<0.001

SASP-1

1.0333

1.0221

1.0446

<0.001

SOFA

1.0181

1.0040

1.0323

<0.05

Minimum calcium

0.6786

0.4673

0.9855

<0.05

Asian population

1.0105

0.8232

1.2404

>0.05

Hypertension

0.7725

0.7074

0.8437

<0.001

Congestive heart failure

1.6238

1.4891

1.7707

<0.001

Chronic pulmonary disease

1.1956

1.0864

1.3158

<0.001

Renal failure

1.2153

1.0375

1.4235

<0.05

Liver disease

1.8596

1.5968

2.1656

<0.001

Alcohol abuse

1.2424

1.0165

1.5185

<0.05

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