highly significantp < 0.0001
Table 2 (see PDF) shows a highly significant difference in vitamin D status between cases and controls (p < 0.0001).
Table 2 (see PDF) shows a highly significant difference in vitamin D status between cases and controls (p < 0.0001).
The table shows a decreasing trend in mean 25(OH)D levels with increasing OSDI severity, with the lowest levels observed in the severe group.