Table 2 Dynamic and static vessel analysis of the study population.

From: Benefits of dark chocolate intake on retinal vessels functionality: a randomized, blind, crossover clinical trial

 

ANOVA

Milk chocolate

Dark chocolate

Pre-intake

Post-intake

P value+

Pre-intake

Post-intake

P value+

P value*

Mean ± SD

Mean ± SD

Mean ± SD

Mean ± SD

Arterial diameter, MU

0.210

115.9 ± 11.9

113.9 ± 11.1

0.232

116.8 ± 10.9

119.1 ± 16.8

0.408

Arterial dilation, %

0.047

2.935 ± 2.699

3.510 ± 2.326

0.465

2.750 ± 2.054

4.145 ± 3.055

0.016

Arterial constriction, %

0.957

− 0.460 ± 1.576

− 0.010 ± 2.830

0.575

− 0.390 ± 2.194

− 0.455 ± 2.229

0.934

Venous diameter, MU

0.415

143.4 ± 16.8

145.3 ± 14.1

0.455

145.4 ± 15.8

142.5 ± 16.6

0.215

Venous dilation, %

0.281

2.970 ± 3.013

4.330 ± 3.521

0.124

3.265 ± 3.159

4.465 ± 2.969

0.086

CRAE, MU

0.161

247.7 ± 36.8

264.3 ± 41.2

0.099

275.0 ± 48.4

257.0 ± 54.5

0.152

CRVE, MU

0.145

257.2 ± 41.4

274.8 ± 52.6

0.055

272.6 ± 41.1

277.6 ± 45.0

0.658

  1. Statistical analysis: analysis of variance (ANOVA) for repeated measures with LSD post-hoc analysis.
  2. ANOVA analysis of variance, SD standard deviation, CRAE central retinal artery equivalent, CRVE central retinal vein equivalent, MU measurement units.
  3. *ANOVA for repeated measures.
  4.  + Comparison between pre-intake and post-intake using LSD post-hoc analysis.
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