Clinical Study

Prevalence and Factors Associated with Vitamin D Deficiency and Hyperparathyroidism in HIV-Infected Patients Treated in Barcelona

Table 3

Interactions between tenofovir exposure and vitamin D deficiency with PTH levels.

Vitamin D < 12 ng/mlVitamin D > 12 ng/ml 𝑃 𝑃
TenofovirNo tenofovirTenofovirNo tenofovirA versus BA versus C
( 𝑛 : 52) A( 𝑛 : 33) B( 𝑛 : 78) C( 𝑛 : 65) D

PTH > 65 pg/mL31 (59.6%)11 (33.3%)33 (42.3%)11 (16.9%) 𝑃 : 0.002 𝑃 : 0.07
Median PTH pg/mL (IQR)76 (52.5–105.5)47 (31.5–75)52 (35–90)40 (26–57) 𝑃 : 0.001 𝑃 : 0.007