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Table 2 Mean arterial pressure for the cardiorespiratory and neuromuscular fitness classifications (mm Hg, mean ± SD)

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

ClassificationTreatmentGroupTime points
1a234567
Cardiorespiratory fitness*CaffeineHCF86.22 ± 9.1793.67 ± 7.29108.70 ± 11.04101.17 ± 3.3790.53 ± 4.30104.07 ± 8.43102.63 ± 8.98
MCF92.52 ± 7.3095.00 ± 7.41102.00 ± 8.9698.00 ± 5.5893.83 ± 6.46100.00 ± 8.93105.00 ± 9.66
PlaceboHCF85.53 ± 11.6185.40 ± 5.9098.07 ± 6.7189.30 ± 10.7974.70 ± 27.2194.23 ± 10.2198.90 ± 11.06
MCF91.28 ± 5.6091.02 ± 4.29101.57 ± 4.4797.40 ± 5.7182.00 ± 29.0499.07 ± 6.30100.37 ± 4.95
Neuromuscular
fitness*
CaffeineHNF90.57 ± 9.3193.27 ± 7.74104.40 ± 11.0599.23 ± 5.5691.27 ± 6.12101.93 ± 8.96101.13 ± 8.56
MNF88.17 ± 8.3495.40 ± 6.84106.30 ± 10.1599.93 ± 4.1193.10 ± 5.20102.13 ± 8.93106.50 ± 9.36
PlaceboHNF87.73 ± 12.2087.18 ± 5.8198.80 ± 5.7490.20 ± 11.6067.40 ± 36.2193.07 ± 9.4296.73 ± 10.15
MNF89.08 ± 5.8989.23 ± 5.89100.83 ± 6.0496.50 ± 5.3789.30 ± 5.95100.23 ± 6.30102.53 ± 5.12
  1. a1 to 7 correspond to time points as follows: 1, 60 min before the start of the trial; 2, immediately before the start of the trial; 3, between the 1st and 2nd periods; 4, immediately after the end of the 2nd period; 5, immediately before the start of the 3rd period; 6: between the 3rd and 4th periods; 7: exhaustion
  2. * Significant main effect of treatment (p < 0.01)
  3. Significant main effect of time (p < 0.001)