Table 1.
Characteristics of patients at baseline and after surgery (n = 260)a
| Pre-op | Post-op | P valueb | |
|---|---|---|---|
| Age, years | 81 ± 9 (55-102) | ||
| Sex, female, % | 72% | ||
| Race, % | |||
| White | 92.7% | ||
| Black | 5% | ||
| Asian | 0.8% | ||
| Other | 1.5% | ||
| BMI, kg/m2 | 24.6 ± 4.4 | ||
| Albumin, g/dL | 3.7 ± 0.7 | 2.8 ± 0.6 | <.001 |
| DBP, mg/dL | 31.5 ± 7.9 | 27.9 ± 6.2 | <.001 |
| Total 25OHD, ng/mL | 22.0 ± 9.5 | 18.2 ± 7.7 | <.001 |
| Free 25OHD, pg/mL | 5.5 ± 2.1 | 5.1 ± 2.0 | <.001 |
| Bioavailable 25OHD, ng/mL | 1.7 ± 0.8 | 1.2 ± 0.6 | <.001 |
| iPTH, pg/mL | 50.2 ± 33.9 | 60.0 ± 33.7 | <.001 |
| IL-6, pg/mLc | 60.3 ± 66.1 | 157.8 ± 131.2 | <.001 |
Abbreviations: DBP, vitamin D binding protein; iPTH, intact parathyroid hormone; IL-6, interleukin-6; pre-op, preoperative; post-op, postoperative; 25OHD, 25-hydroxyvitamin D.
a Values are means ± SDs (range); n = 260.
b Paired t test for values pre- and 2 to 4 days postoperative.
c IL-6: normal values in healthy older adults (74 ± 4 years; median, interquartile range); 1.8 (1.3-2.8) pg/mL (50).