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Table 1 Characteristics of participants with high (HCF) or medium cardiorespiratory fitness (MCF); and with high (HNF) or medium neuromuscular fitness (MNF)

From: Caffeine supplementation is ergogenic in soccer players independent of cardiorespiratory or neuromuscular fitness levels

GroupAge
(years)
Body height
(m)
Body mass
(kg)
Body fat
(%)
VO2max
(ml∙kg− 1∙min− 1)
CMJ
(cm)
Daily
caffeine
consumption
(mg)
Daily
caffeine
consumption (mg∙kg− 1)
HCF
(n = 10)
21 ± 41.78 ± 0.0571.93 ± 6.309.61 ± 2.58*64.35 ± 2.37*40.23 ± 1.9865 (17–373)0.9 (0.2–4.6)
MCF
(n = 10)
22 ± 41.78 ± 0.0776.39 ± 8.6813.31 ± 3.7357.16 ± 2.1639.39 ± 6.63120 (0–351)1.6 (0–3.9)
HNF
(n = 10)
21 ± 31.77 ± 0.0571.95 ± 6.459.76 ± 2.65*61.72 ± 4.69*43.30 ± 3.28*66 (15–375)0.9 (0.2–4.6)
MNF
(n = 10)
22 ± 41.80 ± 0.0676.37 ± 8.5813.16 ± 3.8459.79 ± 3.8736.32 ± 3.22104 (0–351)1.5 (0–3.9)
  1. Data are presented as mean ± SD or median (range)
  2. *Significant difference from the corresponding medium-fitness group (p < 0.05)