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Table 2 Incidence of high blood pressure and high rate pressure product

From: Efficacy of intravenous sedation and oral nifedipine in dental implant patients with preoperative hypertension - a retrospective study of 516 cases

  SBP (>160 mmHg) RPP (>12,000 bpm × mmHg)
Normotensive group (N = 410)
 On arrival at the office 41 (10.0%) 111 (27.1%)
 Prior to sedation 31 (7.6%) 72 (17.6%)
 During operation 1 (0.2%) 1 (0.2%)
 Completion of operation 3 (0.7%) 9 (2.2%)
Hypertensive group without preoperative oral nifedipine (N = 62)
 On arrival at the office 22 (35.5%)** 34 (54.8%)**
 Prior to sedation 13 (21.0%)** 27 (43.5%)**
 During operation 2 (3.2%)* 5 (8.1%)**
 Completion of operation 5 (8.1%)** 6 (9.7%)**
Hypertensive group with preoperative oral nifedipine (N = 44)
 On arrival at the office 44 (100%)** 40 (90.9%)**
 Prior to sedation 8 (18.2%)* 24 (54.5%)**
 During operation 1 (2.2%) 4 (9.1%)**
 Completion of operation 3 (6.8%)* 8 (18.2%)**
  1. *p <0.05, **p <0.01 vs normotensive group (Fisher's exact test). SBP, systolic blood pressure; RPP, rate pressure product.