Prevalence and Determinants of a Blunted Parathyroid Hormone Response in Young Saudi Women with Vitamin D Deficiency: A Cross-Sectional Study

Table 3

Multivariate logistic regression of variables associated with a blunted PTH response.

Variable	Categories	OR	95% CI	value
C-Ca	—	8.600	1.614–45.809	0.012
25(OH)D	—	1.068	1.014–1.124	0.013
BMI	—	0.925	0.867–0.987	0.018
iPh	—	3.991	0.583–27.303	0.158
Age	—	0.993	0.949–1.039	0.773
Mg	—	0.580	0.006–60.981	0.819
Smoking	No	Reference
	Yes	0.884	0.161–4.844	0.887
Creatinine	—	1.001	0.974–1.029	0.935

OR, odds ratio; CI, confidence interval; C-Ca, corrected total serum calcium; 25(OH)D, 25 hydroxyvitamin D; BMI, body mass index; iPh, serum inorganic phosphate; and Mg, serum magnesium.