Table 3 The levels of Ca, P, and iPTH in different hospital grades.
From: The current status of chronic kidney disease-mineral and bone disorder management in China
All patients (n = 7053) | Tertiary hospitals (n = 5099) | Secondary and lower hospitals (n = 1954) | P | |
|---|---|---|---|---|
Corrected Ca, n | 5583 | 4174 | 1409 | |
Corrected Ca (mmol/L) | 2.21 (2.05, 2.37) | 2.21 (2.06, 2.37) | 2.19 (2.04, 2.36) | 0.117 |
Corrected Ca, n (%) | ||||
< 2.1 | 1747 (31.3) | 1285 (30.8) | 462 (32.8) | 0.161 |
2.1–2.5 | 3214 (57.6) | 2436 (58.4) | 778 (55.2) | 0.039 |
> 2.5 | 622 (11.1) | 453 (10.8) | 169 (12.0) | 0.239 |
Serum P, n | 6413 | 4569 | 1844 | |
Serum P (mmol/L) | 1.78 (1.40, 2.18) | 1.71 (1.35, 2.11) | 1.92 (1.54, 2.34) | < 0.001 |
Serum P, n (%) | ||||
< 0.87 | 260 (4.1) | 220 (4.8) | 40 (2.2) | < 0.001 |
0.87–1.45 | 1561 (24.3) | 1236 (27.1) | 325 (17.6) | < 0.001 |
1.46–1.78 | 1423 (22.2) | 1040 (22.8) | 383 (20.8) | 0.082 |
> 1.78 | 3169 (49.4) | 2073 (45.4) | 1096 (59.4) | < 0.001 |
iPTH, n | 5610 | 4087 | 1523 | |
iPTH (pg/mL) | 314.3 (164.0, 560.0) | 323.6 (166.1, 569.7) | 291.0 (154.0, 533.0) | < 0.001 |
iPTH, n (%) | ||||
< 150 | 1249 (22.3) | 885 (21.7) | 364 (23.9) | 0.072 |
150–300 | 1448 (25.8) | 1020 (25.0) | 428 (28.1) | 0.017 |
301–600 | 1639 (29.2) | 1226 (30.0) | 413 (27.1) | 0.035 |
601–800 | 439 (7.8) | 325 (8.0) | 114 (7.5) | 0.563 |
> 800 | 835 (14.9) | 631 (15.3) | 204 (13.4) | 0.056 |
