Determinants of Secondary Hyperparathyroidism in Bariatric Patients after Roux-en-Y Gastric Bypass or Sleeve Gastrectomy: A Pilot Study
Table 3
Stepwise multivariate logistic regression analysis with the presence of secondary hyperparathyroidism as dependent variable and potential risk factors as independent variables.
Secondary hyperparathyroidism
Model
Exp()
P value
Men and premenopausal women
Model 1
Age (years)
5.005
0.951
0.329
Sex1
0.269
0.604
Current smoking
2.362
0.124
25-hydroxyvitamin D (ng/mL)
0.869
0.037
Model 2
Age (years)
11.524
0.148
0.701
Sex1
0.612
0.434
Current smoking
6.966
0.013
Calcium (mg/dL)
0.159
0.033
Model 3
Age (years)
10.082
1.753
0.186
Sex1
1.096
0.295
Current smoking
5.202
0.033
Magnesium (mg/dL)
0.026
0.046
Postmenopausal women
Model 1
Age (years)
4.689
0.002
0.967
YSM (years)
1.132
0.038
Current smoking
0.549
0.459
25-hydroxyvitamin D (ng/mL)
1.808
0.179
Model 2
Age (years)
5.879
0.840
0.359
YSM (years)
1.195
0.025
Current smoking
0.414
0.520
Calcium (mg/dL)
0.023
0.878
Model 3
Age (years)
3.745
0.992
0.907
YSM (years)
1.256
0.110
Current smoking
3.240
0.383
Magnesium (mg/dL)
1.876
0.768
YSM: years since menopause. 1Reference category: male sex. Statistical significance was set at the level of P value <0.05.