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Table 1 Demographic and clinical characteristics

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

  Normotensive group Hypertensive group p value
Number (male: female) 410 (127: 283) 106 (37: 69) 0.170
Age (year mean ± SD) 59 ± 11 65 ± 10 <0.0001
Weight (kg) 54.5 ± 9.2 57.1 ± 10.9 0.204
Values of circulation parameters on arrival at office    
 SBP (mmHg) 133 ± 19 165 ± 22 <0.0001
 DBP (mmHg) 76 ± 13 99 ± 20 <0.0001
 PR (bpm) 79 ± 13 90 ± 19 <0.0001
 RPP (bpm × mmHg) 10,574 ± 2,614 12,367 ± 5,771 <0.0001
Preoperative oral nifedipine 0 44 (42%) <0.0001
Duration of surgery (min) 40 ± 20 35 ± 17 0.025
Duration of sedation (min) 69 ± 25 65 ± 22 0.114
  1. SBP, systolic blood pressure; DBP, diastolic blood pressure; PR, pulse rate; RPP. rate pressure product.