Table 5.
Laboratory values by hypertension status
| Laboratory Measures | Hypertension Status |
|||||
|---|---|---|---|---|---|---|
| Normotensivea |
Prehypertensiveb |
Hypertensivec |
||||
| n | Mean (SD) | n | Mean (SD) | n | Mean (SD) | |
| Hemoglobin,dg/dl | 101 | 11.4 (1.4) | 29 | 11.3 (1.7) | 494 | 11.1 (1.7) |
| Single pool Kt/V | 79 | 1.55 (0.3) | 22 | 1.40 (0.3) | 338 | 1.57 (0.3) |
| Calcium,d mg/dl | 98 | 9.48 (0.9) | 29 | 9.23 (0.7) | 485 | 9.23 (0.9) |
| Phosphorus, mg/dl | 98 | 6.20 (1.7) | 28 | 6.10 (1.4) | 490 | 6.30 (1.8) |
| Calcium x phosphorus | 96 | 59.6 (15.5) | 28 | 55.8 (13.1) | 482 | 58.4 (16.3) |
| Parathyroid hormone, pg/ml | 85 | 522.0 (582.0) | 26 | 515.0 (544.4) | 433 | 515.1 (531.0) |
| Urea reduction ratio | 101 | 71.6 (9.1) | 29 | 71.5 (8.6) | 494 | 72.1 (7.9) |
| Serum albumin (green), g/dl | 88 | 3.9 (0.4) | 26 | 3.8 (0.5) | 408 | 3.8 (0.5) |
| Serum albumin (purple), g/dl | 13 | 3.5 (0.3) | 4 | 3.5 (0.4) | 86 | 3.5 (0.5) |
| EPO dose/Kg | 98 | 443 (448) | 28 | 321 (245) | 476 | 430 (539) |
| Percent | Percent | Percent | ||||
| Mean hemoglobine | ||||||
| <11 g/dl | 29 | 28.7 | 10 | 34.5 | 202 | 40.9 |
| ≥11 g/dl | 72 | 19 | 292 | |||
| Single pool Kt/V | ||||||
| <1.2 | 6 | 7.6 | 4 | 18.2 | 24 | 7.1 |
| ≥1.2 | 73 | 18 | 314 | |||
| Urea reduction ratio | ||||||
| <65 | 15 | 14.9 | 4 | 13.8 | 76 | 15.4 |
| ≥65 | 86 | 25 | 418 | |||
| Serum albumin | ||||||
| <Lower limit | 16 | 15.8 | 6 | 20.7 | 91 | 18.4 |
| >Lower limit | 85 | 23 | 403 | |||
EPO, erythropoiesis-stimulating agent.
a
Mean of pre- and postdialysis blood pressure values over 3 mo <90th percentile, not on antihypertensive medication.
b
Mean of pre- and postdialysis blood pressure values over 3 mo ≥90th percentile, less than 95th percentile, not on antihypertensive medication.
c
Mean of pre- and postdialysis blood pressure values over 3 mo >95th percentile or on antihypertensive medication.
d
Significant (P < 0.05) differences for normotensive versus hypertensive from a two-sample t test.
e
Significant (P < 0.05) differences for normotensive versus hypertensive from a chi-square test.