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Comparison of 25-OHD level in different HE grades.
| HE grade | N | Mean | SD | P value | Comparisons |
|---|---|---|---|---|---|
| Grade 1 | 12 | 43.8 | 2.8 | <0.001 | Grade 1 > Grade 2 > Grades 3 to 4 |
| Grade 2 | 18 | 29.6 | 3.3 | ||
| Grade 3 to 4 | 20 | 15.3 | 5.0 |
The 25-OHD level is significantly lower in higher grades of HE. The Kruskal-Wallis test was used.
