Table 6 Comparison of lutein and zeaxanthin intake among participants with different levels of astigmatism.

From: Association of nutritional intake with myopia and astigmatism

High astigmatism vs. low astigmatism

Variable

High astigmatism

Low astigmatism

Statistics

P

Lutein + zeaxanthin, mcg, mean ± SE

2477.43 ± 306.63

2178.89 ± 64.99

0.952441508

0.342018

Low astigmatism vs. moderate astigmatism

Variable

Moderate astigmatism

Low astigmatism

Statistics

P

Lutein + zeaxanthin, mcg, mean ± SE

2205.13 ± 176.4

2178.89 ± 64.99

−0.139592965

0.889027

High astigmatism vs. moderate astigmatism

Variable

Moderate astigmatism

High astigmatism

Statistics

P

Lutein + zeaxanthin, mcg, mean ± SE

2205.13 ± 176.4

2477.43 ± 306.63

0.769728689

0.442042