Table 2.
Changes of BP before and after operation in two groups (mmHg)
| Time | Control Group | Experimental Group | ||
|---|---|---|---|---|
| SBP | DBP | SBP | DBP | |
| Preoperative | 181.0 ± 20.4 | 108.9 ± 8.9 | 181.3 ± 20.3 | 108.2 ± 10.2 |
| One month after operation | 164.3 ± 17.8 | 100.8 ± 11.2 | 145.3 ± 10.8 | 98.4 ± 12.5 |
| Three months after operation | 167.8 ± 17.9 | 101.5 ± 13.4 | 140.6 ± 14.2 | 92.1 ± 10.7 |
| Six months after operation | 168.2 ± 18.3 | 102.7 ± 15.8 | 138.8 ± 12.1 | 90.2 ± 11.3 |
| One year after operation | 172.4 ± 21.6 | 103.6 ± 12.8 | 136.5 ± 11.6 | 84.5 ± 7.2 |
| △BP | 8.6 ± 5.8 | 5.3 ± 7.7 | 44.8 ± 9.5 | 23.7 ± 9.7 |
| P value | 0.131 | 0.078 | <0.001 | <0.001 |
△BP:Changes of blood pressure before and after operation