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Table 4 Hematology Data

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
WBC (x10E3/uL) PLA 5.7 ± 1.5 5.7 ± 1.0 5.7 ± 1.2 3.4–10.8 0.52
TRT 5.9 ± 1.8 5.9 ± 0.7 6.4 ± 1.4
RBC (x10E6/uL) PLA 5.3 ± 0.3 5.4 ± 0.4 5.4 ± 0.3 4.14–5.80 0.17
TRT 5.3 ± 0.3 5.4 ± 0.3 5.3 ± 0.2
Hemoglobin (g/dL) PLA 16.2 ± 1.2 16.4 ± 1.3 16.4 ± 1.0 12.6–17.7 0.15
TRT 16.0 ± 1.7 16.0 ± 2.1 15.6 ± 1.8
Hematocrit (%) PLA 47.7 ± 3.0 48.5 ± 3.3 48.6 ± 2.7 37.5–51.0 0.31
TRT 46.6 ± 3.6 47.5 ± 4.9 46.6 ± 4.3
MCV (fL) PLA 89.7 ± 3.1 89.7 ± 2.7 89.6 ± 2.7 79–97 0.54
TRT 87.5 ± 7.0 87.9 ± 7.7 88.3 ± 8.7
MCH (pg) PLA 30.5 ± 1.1 30.3 ± 1.0 30.2 ± 0.9 26.6–33.0 0.77
TRT 29.9 ± 3.2 29.6 ± 3.5 29.6 ± 3.5
MCHC (g/dL) PLA 34.0 ± 1.0 33.8 ± 0.6 33.7 ± 0.7 31.5–35.7 0.63
TRT 34.2 ± 1.6 33.6 ± 1.6 33.5 ± 1.1
RDW (%) PLA 13.6 ± 0.5 13.4 ± 0.4 13.4 ± 0.4 12.3–15.4 0.06
TRT 13.6 ± 1.2 13.9 ± 1.8 13.7 ± 1.7
Platelets (x10E3/uL) PLA 236.7 ± 29.1 239.4 ± 45.4 241.6 ± 31.6 155–379 0.61
TRT 274.5 ± 61.0 286.4 ± 77.6 273.7 ± 79.5
Neutrophils (%) PLA 53.5 ± 8.3 49.0 ± 6.7 49.5 ± 9.1 40–74 0.23
TRT 52.6 ± 12.2 50.4 ± 10.7 55.5 ± 10.9
Lymphs (%) PLA 35.1 ± 6.9 38.9 ± 6.5 38.2 ± 8.3 14–46 0.15
TRT 34.3 ± 10.6 35.9 ± 9.0 30.8 ± 8.9
Monocytes (%) PLA 8.7 ± 1.8 9.4 ± 2.1 9.4 ± 2.4 4–12 0.77
TRT 9.7 ± 2.0 10.0 ± 1.9 10.8 ± 3.6
Eos (%) PLA 2.1 ± 1.2 2.4 ± 2.4 2.5 ± 2.3 0–5 0.27
TRT 2.8 ± 2.4 3.0 ± 2.4 2.3 ± 1.6
Basos (%) PLA 0.6 ± 0.7 0.4 ± 0.7 0.4 ± 0.7 0–3 0.43
TRT 0.6 ± 0.7 0.7 ± 0.7 0.5 ± 0.7
Neutrophils (Absolute) (x10E3/uL) PLA 3.1 ± 1.4 2.8 ± 0.8 2.9 ± 1.0 1.4–7.0 0.41
TRT 3.2 ± 1.6 3.0 ± 0.7 3.6 ± 1.4
Lymphs (Absolute) (x10E3/uL) PLA 1.9 ± 0.1 2.2 ± 0.3 2.1 ± 0.4 0.7–3.1 0.33
TRT 1.9 ± 0.3 2.1 ± 0.5 1.9 ± 0.5
Monocytes (Absolute) (x10E3/uL) PLA 0.5 ± 0.2 0.5 ± 0.1 0.5 ± 0.2 0.1–0.9 0.52
TRT 0.6 ± 0.2 0.6 ± 0.1 0.7 ± 0.2
Eos (Absolute) (x10E3/uL) PLA 0.1 ± 0.1 0.1 ± 0.1 0.1 ± 0.1 0.0–0.4 0.65
TRT 0.2 ± 0.1 0.2 ± 0.1 0.2 ± 0.1
Baso (Absolute) (x10E3/uL) PLA 0.0 ± 0.0 0.0 ± 0.0 0.0 ± 0.0 0.0–0.2 0.10
TRT 0.0 ± 0.1 0.0 ± 0.0 0.0 ± 0.0
  1. Data are presented as mean ± standard deviation. The p-value is derived from an ANOVA and representative of a main effect for group by time