Table 4.
Markers of mineral metabolism and bone mineral density findings 12-month post-prophylactic gastrectomy findings in relation to calcium and multivitamin adherence
| Calcium adherence 12 months post-TG | Multivitamin adherence 12 months post-TG | |||||
|---|---|---|---|---|---|---|
| Adherent (n = 36) | Nonadherent (n = 58) | P-value | Adherent (n = 69) | Non-adherent (n = 25) | P-value | |
| Body weight, median (range), kg | 65 (22.5-97.8) | 60 (41.2-106.5) | .412 | 61 (22.5-106.5) | 61 (43.4-89.9) | .971 |
| Body mass index, median (range), kg/m2 | 22 (7.5-33.1) | 21 (15.8-31.2) | .528 | 21 (7.5-33.1) | 22 (17.0-28.4) | .515 |
| Serum calcium, mean ± SD, mmol/L | 2.3 ± 0.11 | 2.3 ± 0.11 | .415 | 2.3 ± 0.10 | 2.3 ± 0.14 | .784 |
| Serum phosphorus, mean ± SD, mg/dL | 3.6 ± 0.59 | 3.6 ± 0.57 | .835 | 3.6 ± 0.58 | 3.60 ± 0.55 | .703 |
| Serum alkaline phosphatase, ± SD, U/L | 84.5 ± 23.7 | 80.9 ± 24.2 | .534 | 83.6 ± 25.06 | 79.0 ± 21.1 | .459 |
| Serum 25 (OH)-vitamin D, mean ± SD, ng/mL | 45.8 ± 13.3 | 43.2 ± 12.4 | .405 | 44.3 ± 13.28 | 43.9 ± 11.6 | .909 |
| Lumbar spine BMD, mean ± SD, g/cm2 | 1.0 ± 0.17 | 0.96 ± 0.14 | .218 | 0.97 ± 0.15 | 0.98 ± 0.16 | .912 |
| Femoral neck BMD, mean ± SD, g/cm2 | 0.75 ± 0.13 | 0.77 ± 0.11 | .471 | 0.76 ± 0.12 | 0.76 ± 0.11 | .317 |
| Total hip BMD, mean ± SD, g/cm2 | 0.87 ± 0.14 | 0.89 ± 0.11 | .435 | 0.88 ± 0.12 | 0.90 ± 0.12 | .479 |
| Lumbar spine t-score, mean ± SD | −0.40 ± 1.30 | −0.76 ± 1.42 | .340 | −0.51 ± 1.20 | −1.04 ± 1.94 | .262 |
| Femoral neck t-score, mean ± SD | −0.91 ± 1.08 | −1.14 ± 1.02 | .433 | −0.97 ± 0.96 | −1.35 ± 1.32 | .275 |
| Total hip t-score, mean ± SD | −0.60 ± 0.99 | −0.83 ± 0.96 | .385 | −0.67 ± 0.92 | −1.02 ± 1.17 | .287 |
Abbreviations: BMD, bone mineral density; TG, total gastrectomy.