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. Author manuscript; available in PMC: 2012 May 1.
Published in final edited form as: Surgery. 2011 Feb 5;149(5):654–661. doi: 10.1016/j.surg.2010.11.015

Table 2.

Concentrations of Blood Analytes (mean ± SD)

Serum Analyte Baseline, 0
m
6 m 12 m P-value,
paired t-test,
0–6 m
P-value,
paired t-test,
0–12 m
Creatinine, mg/dL 0.8 ± 0.19 0.8 ± 0.14 0.7 ± 0.10 0.583 0.212
BUN, mg/dL 16.8 ± 4.12 15.1 ± 7.25 16.1 ± 4.93 0.496 0.684
Total calcium, mg/dL 9.4 ± 0.35 9.5 ± 0.33 9.3 ± 0.27 1.0 0.386
Ionized serum calcium, mg/dl 4.9 ± 0.13 5.0 ± 0.17 5.0 ± 0.15 0.179 0.098
Phosphorus, mg/dL 3.8 ± 0.65 3.8 ± 0.43 4.2 ± 0.39 0.766 0.051
Uric acid, mg/dL 5.6 ± 1.05 4.6 ± 1.11 4.2 ± 0.71 0.100 0.004
Magnesium, mg/dL 2.2 ± 0.16 2.2 ± 0.31 2.1 ± 0.09 0.751 0.085
Total cholesterol, mg/dL 188.4 ± 30.5 163.3 ± 29.7 154.8 ± 37.4 0.008 0.0107
Triglycerides, mg/dL 162.1 ± 82.7 130.0 ± 55.3 83.3 ± 27.7 0.245 0.004
LDL cholesterol, mg/dL 108.5 ± 34.5 90.8 ± 28.6 84.8 ± 26.1 0.051 0.02
Plasma oxalate, µmoles/L 1.2 ± 0.36 2.2 ± 1.26 1.9 ± 0.84 0.018 0.016