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The statistic of blood pressure state transition
| Blood pressure state | Baseline check-up N (%) | Final check-up N (%) |
| Normal state | 443 (24.17) | 247 (13.48) |
| Elevated state | 1390 (75.83) | 447 (24.39) |
| Hypertensive state | 0 (0) | 1139 (62.14) |
| Total | 1833 (100.00) | 1833 (100.00) |
