Table 3.
Average vitamin D levels among subjects with and without gastric incomplete intestinal metaplasia.
| Intestinal Metaplasia (Cases) | No Intestinal Metaplasia (Controls) | p-Value | |
|---|---|---|---|
| Overall vitamin D level (ng/dL) | 19.7 ± 6.3 | 34.7 ± 10.0 | <0.001 |
| Variables | |||
| Age | |||
| <60 years old | 19.8 ± 6.5 | 35.2 ± 11.2 | <0.001 |
| >60 years old | 19.7 ± 6.3 | 34.0 ± 8.0 | <0.001 |
| Gender | |||
| Male | 20.4 ± 7.0 | 34.4 ± 10.4 | <0.001 |
| Female | 19.9 ± 6.6 | 34.8 ± 9.9 | <0.001 |
| BMI class | |||
| Underweight | 24.3 ± 2.6 | 42.0 ± 22.2 | 0.25 |
| Normal | 19.4 ± 6.5 | 34.5 ± 9.6 | <0.001 |
| Overweight | 19.7 ± 7.9 | 35.7 ± 10.8 | <0.001 |
| Obese (pooled) | 20.4 ± 6.1 | 33.5 ± 8.8 | <0.001 |
| Obesity class I | 21.1 ± 6.1 | 33.9 ± 8.9 | <0.001 |
| Obesity class II | 19.6 ± 6.4 | 33.1 ± 9.5 | 0.03 |
| Obesity class III | 20.5 * | 33.2 ± 7.4 | N/A * |
| Ethnicity | |||
| Hispanic | 19.3 ± 6.1 | 34.4 ± 10.8 | <0.001 |
| African American | 21.5 ± 6.6 | 34.6 ± 8.1 | <0.001 |
| Caucasian | 20.9 ± 7.8 | 36.2 ± 9.5 | <0.001 |
| Asian | 14.05 ± 3.8 | 35.2 ± 4.6 | <0.001 |
| Blood pressure | |||
| Normotensive patients | 19.6 ± 6.8 | 34.8 ± 10.1 | <0.001 |
| Hypertensive patients | 23.6 ± 6.3 | 34.4 ± 10.0 | <0.001 |
| History of diabetes mellitus | |||
| Without diabetes mellitus | 19.5 ± 6.3 | 34.4 ± 9.1 | <0.001 |
| With diabetes mellitus | 25.7 ± 5.0 | 38.4 ± 17.33 | NS |
| Timing of Vitamin D Collection | |||
| Fall-Winter | 22.0 ± 7.3 | 34.1 ± 9.9 | <0.001 |
| Spring-Summer | 19.6 ± 6.6 | 35.0 ± 10.1 | <0.001 |
* One subject with intestinal metaplasia with obesity class III, so a SD could not be calculated for the case subjects within this class and a t-test could not be performed.