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Table 3 Cerebral blood flow and retina-choroid blood flow parameters (mL/100 mL/min) before and after drinking coffee (n = 4) or water (n = 4)

From: A moderate dosage of coffee causes acute retinal capillary perfusion decrease in healthy young individuals

 

Baseline

0.5 h after drinking

2 h after drinking

Cerebral blood flow

Coffee

84.13 ± 15.55

83.59 ± 11.24

77.47 ± 15.21*

Water

85.60 ± 18.19

85.85 ± 15.05

82.10 ± 18.15

Retina-choroid blood flow

Coffee

132.68 ± 70.47

163.18 ± 61.07‡

161.21 ± 47.95‡

Water

107.23 ± 37.89

116.36 ± 29.74

115.16 ± 12.77

  1. Values are mean ± SD.
  2. Reference group: Baseline. Repeated measures analysis of variance, significance level: *p < 0.05; †p < 0.01; ‡p < 0.001
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BMC Ophthalmology

ISSN: 1471-2415

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