Table 3 Distribution of the subjects regarding to serum 25(OH)D level depending on the year of examination
Serum level of 25(OH)D, ng/mL | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 |
|---|---|---|---|---|---|---|---|
< 20 (deficiency) | 346 (33.7) | 344 (25.3) | 286 (20.6) | 252 (17.6) | 86 (10.9) | 78 (9.7) | 57(9.3) |
20–29 (insufficiency) | 341 (33.2) | 392 (28.8) | 387 (27.8) | 378 (26.4) | 162 (20.6) | 214 (26.6) | 149 (24.2) |
30–50 (optimal values) | 307 (29.9) | 557 (40.9) | 595 (42.8) | 612 (42.7) | 387 (49.2) | 370 (46.0) | 261 (42.4) |
> 50–60 (suboptimal values) | 25 (2.4) | 55 (4.0) | 92 (6.6) | 135 (9.4) | 90 (11.5) | 84 (10.4) | 70 (11.4) |
> 60–100 (high concentration) | 9 (0.9) | 13 (1.0) | 30 (2.2) | 53 (3.7) | 54 (6.9) | 56 (7.0) | 78 (12.7) |
> 100 (toxic concentration) | 0 | 0 | 0 | 2 (0.1) | 7 (0.9) | 3 (0.4) | 1 (0.2) |