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Table 5 Blood Chemistry Data. Data are presented as mean ± standard deviation

From: Twelve weeks supplementation with an extended-release caffeine and ATP-enhancing supplement may improve body composition without affecting hematology in resistance-trained men

Variable Treatment PRE Week 8 POST Reference Interval p
Serum Glucose (mg/dL) PLA 90.5 ± 11.0 89.3 ± 3.6 90.2 ± 5.4 65–99 0.84
TRT 88.8 ± 6.1 89.6 ± 7.0 90.0 ± 6.8
BUN (mg/dL) PLA 17.3 ± 4.9 17.8 ± 3.9 17.5 ± 4.2 6–20 0.98
TRT 15.1 ± 3.2 15.7 ± 3.1 15.7 ± 3.5
Serum Creatinine (mg/dL) PLA 0.97 ± 0.12 1.04 ± 0.12a 1.13 ± 0.17*ab 0.76–1.27 0.001
TRT 1.05 ± 0.15 1.10 ± 0.11 1.05 ± 0.12*
eGFR (mL/min/1.73) PLA 105.6 ± 12.9 98.7 ± 12.5a 91.0 ± 14.9a >59 0.01
TRT 101.0 ± 15.8 95.2 ± 11.1 100.3 ± 12.9*
BUN/Creatinine Ratio PLA 18.0 ± 5.9 17.3 ± 4.0 15.8 ± 4.4 8–19 0.33
TRT 14.4 ± 3.1 14.3 ± 1.8 15.0 ± 3.7
Serum Sodium (mmol/L) PLA 138.8 ± 1.8 139.6 ± 1.3 140.4 ± 2.1 134–144 0.43
TRT 138.9 ± 1.7 138.7 ± 1.3 140.4 ± 1.3
Serum Potassium (mmol/L) PLA 4.4 ± 0.4 4.5 ± 0.5 4.3 ± 0.3 3.5–5.2 0.06
TRT 4.4 ± 0.3 4.4 ± 0.3 4.6 ± 0.3
Serum Chloride (mmol/L) PLA 102.1 ± 1.6 101.0 ± 1.4 102.4 ± 2.2 97–108 0.92
TRT 101.7 ± 1.8 100.7 ± 2.1 102.3 ± 1.6
Carbon Dioxide (mmol/L) PLA 23.6 ± 2.4 22.1 ± 1.5 22.5 ± 1.5 19–28 0.24
TRT 23.1 ± 2.4 21.0 ± 1.2 22.8 ± 1.4
Serum Calcium (mg/dL) PLA 9.4 ± 0.4 9.4 ± 0.3 9.3 ± 0.3 8.7–10.2 0.45
TRT 9.6 ± 0.4 9.5 ± 0.3 9.4 ± 0.4
Serum Protein (g/dL) PLA 7.1 ± 0.3 6.9 ± 0.3 6.9 ± 0.3 6.0–8.5 0.58
TRT 7.2 ± 0.3 6.9 ± 0.2 6.9 ± 0.3
Serum Albumin (g/dL) PLA 4.4 ± 0.3 4.6 ± 0.2 4.6 ± 0.2 3.5–5.5 0.65
TRT 4.5 ± 0.2 4.6 ± 0.2 4.6 ± 0.2
Globulin (g/dL) PLA 2.6 ± 0.2 2.3 ± 0.2 2.3 ± 0.2 1.5–4.5 0.83
TRT 2.7 ± 0.2 2.3 ± 0.3 2.3 ± 0.3
Albumin:Globulin Ratio PLA 1.7 ± 0.2 2.0 ± 0.2 2.0 ± 0.3 1.1–2.5 0.76
TRT 1.7 ± 0.2 2.0 ± 0.3 2.1 ± 0.3
Bilirubin (mg/dl) PLA 0.6 ± 0.2 0.6 ± 0.2 0.6 ± 0.2 0.0–1.2 0.06
TRT 0.6 ± 0.3 0.7 ± 0.4 0.5 ± 0.2
Alkaline Phosphatase (IU/L) PLA 76.4 ± 13.8 81.3 ± 14.6 79.9 ± 16.1 39–117 0.53
TRT 70.5 ± 20.8 79.5 ± 27.2 77.8 ± 23.4
AST (IU/L) PLA 25.5 ± 7.8 26.9 ± 7.4 25.8 ± 8.9 0–40 0.81
TRT 25.1 ± 7.5 28.9 ± 11.6 27.2 ± 12.7
ALT (IU/L) PLA 23.7 ± 4.9 24.3 ± 7.0 22.5 ± 6.3 0–44 0.48
TRT 23.5 ± 11.1 23.3 ± 8.6 26.5 ± 12.2
  1. *indicates significantly different from PLA at the corresponding time point. ‡ indicates significantly different from PLA at week 8. The p-value is derived from an ANOVA and representative of a main effect for group by time. Significant within-group time differences are indicated by a(different from pre) and b(different from week 8) for variables with a significant group x time interaction