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Comparison of mean serum 25(OH)D3 levels before and after supplementation of Vitamin D3
| Before supplementation (n=19) | After supplementation (n=19) | P | |||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| Serum 25(OH)D3 (ng/ml) | 13.96 | 3.36 | 35.12 | 5.27 | 0.001*** |
*Is a standard notation used to determine the level of significance. P value by independent sample “t-” test. P<0.05 is considered to be statistically significant. *P<0.05, **P<0.01, ***P<0.001. SD – Standard deviation; n – Sample size; NS – Statistically nonsignificant
