Table 3: JNC 7 and isolated hypertension stratified by eGFR, ml/min/1.73 m2.
| Variables (n, %) | eGFR (ml/min/1.73 m2) | total | p-value | |
| < 60 (n = 102) | ≥ 60 (n = 102) | |||
| Normal | 3 (2.9) | 1 (1.0) | 4 (2.0) | 0.625 |
| Prehypertension | 2 (2.0) | 6 (5.9) | 8 (3.9) | 0.289 |
| Stage 1 hypertension | 44 (43.1) | 25 (24.5) | 69 (33.8) | 0.022 |
| Stage 2 hypertension | 48 (47.1) | 60 (58.8) | 108 (52.9) | 0.000 |
| Isolated systolic hypertension | 5 (4.9) | 10 (9.8) | 15 (7.4) | 0.049 |
egfr: Estimated glomerular filtration rate.