Table 2 Characteristics of patients who did and did not undergo parathyroidectomy
| Â | PTX | Non-PTX | ||
|---|---|---|---|---|
n | % | n | % | |
Total | 4435 | 100 | 282,134 | 100 |
Age at PTX, years | ||||
 19–44 | 1764 | 39.8 | 38,830 | 13.8 |
 45–64 | 2154 | 48.6 | 110,788 | 39.3 |
 65–74 | 410 | 9.2 | 69,550 | 24.7 |
 ≥ 75 | 107 | 2.4 | 62,966 | 22.3 |
Race | ||||
 White | 1685 | 38.0 | 156,638 | 55.5 |
 Black | 2551 | 57.5 | 108,246 | 38.4 |
 Other | 199 | 4.5 | 17,250 | 6.1 |
Sex | ||||
 Male | 2298 | 51.8 | 155,257 | 55.0 |
 Female | 2137 | 48.2 | 126,877 | 45.0 |
ESRD primary cause | ||||
 Diabetes | 1013 | 22.8 | 128,202 | 45.4 |
 Hypertension | 1462 | 33.0 | 81,231 | 28.8 |
 Glomerulonephritis | 934 | 21.1 | 27,250 | 9.7 |
 Other/unknown/missing | 1026 | 23.1 | 45,451 | 16.1 |
BMI, kg/m2 | ||||
 < 18 | 151 | 3.4 | 8074 | 2.9 |
 18– < 25 | 1217 | 27.4 | 88,838 | 31.5 |
 25– < 30 | 1026 | 23.1 | 78,938 | 28.0 |
 30– < 35 | 772 | 17.4 | 49,310 | 17.5 |
 35– < 40 | 517 | 11.7 | 25,987 | 9.2 |
 ≥ 40 | 536 | 12.1 | 23,383 | 8.3 |
 Missing | 216 | 4.9 | 7604 | 2.7 |
Dialysis duration, years | ||||
 1– < 3 | 538 | 12.1 | 151,778 | 53.8 |
 3– < 5 | 970 | 21.9 | 58,341 | 20.7 |
 > 5 | 2927 | 66.0 | 72,015 | 25.5 |
Comorbidities | ||||
 Diabetes | 1954 | 44.1 | 185,029 | 65.6 |
 ASHD | 1542 | 34.8 | 131,678 | 46.7 |
 CHF | 1973 | 44.5 | 144,792 | 51.3 |
 CVA/TIA | 522 | 11.8 | 57,532 | 20.4 |
 PVD | 1389 | 31.3 | 112,972 | 40.0 |
 Dysrhythmia | 1057 | 23.8 | 77,320 | 27.4 |
 Other cardiac disease | 1623 | 36.6 | 91,955 | 32.6 |
Network | ||||
 1 | 151 | 3.4 | 9407 | 3.3 |
 2 | 192 | 4.3 | 16,808 | 6.0 |
 3 | 156 | 3.5 | 11,887 | 4.2 |
 4 | 118 | 2.7 | 11,689 | 4.1 |
 5 | 260 | 5.9 | 17,080 | 6.1 |
 6 | 667 | 15.0 | 29,663 | 10.5 |
 7 | 253 | 5.7 | 16,076 | 5.7 |
 8 | 364 | 8.2 | 17,060 | 6.1 |
 9 | 293 | 6.6 | 21,152 | 7.5 |
 10 | 154 | 3.5 | 11,977 | 4.3 |
 11 | 252 | 5.7 | 18,814 | 6.7 |
 12 | 199 | 4.5 | 11,188 | 4.0 |
 13 | 254 | 5.7 | 12,073 | 4.3 |
 14 | 487 | 11.0 | 27,892 | 9.9 |
 15 | 182 | 4.1 | 12,016 | 4.3 |
 16 | 139 | 3.1 | 7254 | 2.6 |
 17 | 136 | 3.1 | 11,860 | 4.2 |
 18 | 178 | 4.0 | 18,238 | 6.5 |