Shaffer s grading | Before HD | After HD |
Grade 4 and Grade 3 | 15.09 mmHg ± 7.04 mmHg | 14.05 mmHg ± 5.04 mmHg |
Grade 2 | 16.05 mmHg ± 7.04 mmHg | 17.05 mmHg ± 7.07 mmHg |
Grade 1 | 18 mmHg ± 7 mmHg | 21 mmHg ± 9 mmHg |