Table 2. Patient Characteristics Associated With Parathyroidectomy Among Medicare Beneficiaries With PHPT Based on Multivariable Logistic Regression.
| Characteristic | Unadjusted rate of parathyroidectomy, No./total No. (%) | Adjusted OR (95% CI) |
|---|---|---|
| Sex | ||
| Female | 13 684/44 569 (30.7) | 1 [Reference] |
| Male | 49 453/165 637 (29.9) | 1.00 (0.98-1.03) |
| Age, y | ||
| 66-75 | 42 024/117 960 (35.6) | 1 [Reference] |
| 76-85 | 19 010/73 491 (25.9) | 0.68 (0.67-0.70) |
| ≥86 | 2102/18 755 (11.2) | 0.27 (0.26-0.29) |
| Race | ||
| White | 56 888/183 433 (31.0) | 1 [Reference] |
| Black | 4741/19 797 (23.9) | 0.67 (0.65-0.70) |
| Asian | 390/1953 (20.0) | 0.64 (0.57-0.72) |
| Hispanic | 480/2280 (21.1) | 0.66 (0.60-0.74) |
| American Native | 150/453 (33.1) | 0.97 (0.80-1.19) |
| Other | 487/2290 (21.3) | 0.62 (0.56-0.69) |
| ADI groupa | ||
| Advantaged | ||
| Most | 12 717/52 899 (24.0) | 1 [Reference] |
| Slightly | 20 784/68 471 (30.4) | 1.39 (1.35-1.43) |
| Disadvantaged | ||
| Slightly | 22 093/65 887 (33.5) | 1.61 (1.57-1.66) |
| Most | 7542/22 949 (32.9) | 1.66 (1.60-1.72) |
| Geography | ||
| Urban | 51 689/178 718 (28.9) | 1 [Reference] |
| Rural | 11 447/31 488 (36.4) | 1.18 (1.15-1.22) |
| Frailtyb | ||
| Robust | 27 759/76 954 (36.1) | 1 [Reference] |
| Prefrail | 30 394/107 248 (28.3) | 0.84 (0.82-0.86) |
| Mild | 3531/18 316 (19.3) | 0.61 (0.58-0.64) |
| Moderate to severe | 1452/7688 (18.9) | 0.60 (0.56-0.64) |
| Charlson Comorbidity Index score | ||
| 0 | 19 069/51 534 (37.0) | 1 [Reference] |
| 1 | 15 372/47 758 (32.2) | 0.88 (0.86-0.91) |
| ≥2 | 28 695/110 914 (25.9) | 0.77 (0.75-0.79) |
| Consensus guideline criteria | ||
| History | ||
| Nephrolithiasis | 10 241/28 239 (36.3) | 1.43 (1.39-1.47) |
| Osteoporosis | 32 067/110 314 (29.1) | 1.01 (0.99-1.03) |
| Stage 3 CKD | 3565/17 566 (20.3) | 0.71 (0.68-0.74) |
| Endocrinologist care | 34 142/98 660 (34.6) | 1.42 (1.40-1.45) |