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Table 3 Blood pressure measurements

From: Accuracy of invasive arterial pressure monitoring in cardiovascular patients: an observational study

  Overall R-group NR-group
Systolic IBP mmHg (SD); range 134 (32); 78 to 241 157 (33); 82 to 241 124 (27); 78 to 240
Systolic NIBP mmHg (SD); range 122 (26); 76 to 238 129 (26); 76 to 191a 120 (27); 76 to 238b
Δ Systolic BP mmHg (SD); range 13 (14); −11 to 77 28 (16); 2 to 77 4 (5); −15 to 15
Diastolic IBP mmHg (SD); range 64 (13); 31 to 123 64 (12); 40 to 101 63 (13); 31 to 123
Diastolic NIBP mmHg (SD); range 66 (14); 32 to 132 69 (14); 43 to 98C 64 (13); 32 to 132d
Δ Diastolic BP mmHg (SD); range 2 (9); −27 to 82 −2 (11); −39 to 10 −1 (6); −17 to 14
Mean IBP mmHg (SD); range 83 (18); 37 to 155 90 (19); 37 to 135 81 (17); 46 to 155
Mean NIBP mmHg (SD); range 79 (19); 37 to 166 82 (21); 37 to 155e 78 (18); 41 to 166f
Δ Mean BP mmHg (SD); range 5 (9); −20 to 44 7 (11); −20 to 44 2 (6); −13 to 20
  1. aSystolic IBP R-group versus Systolic NIBP R-group: P <0.0001; bSystolic IBP NR-group versus Systolic NIBP NR-group: P <0.0001; CDiastolic IBP R-group versus Diastolic NIBP R-group: P = 0.0002; dDiastolic IBP NR-group versus Diastolic NIBP NR-group: P = 0.0018; eMean IBP R-group versus Mean NIBP R-group: P <0.0001; fMean IBP NR-group versus Mean NIBP NR-group: P <0.0001. Sys, systolic; IBP, invasive blood pressure monitoring; NIBP, non-invasive blood pressure monitoring; Dia, diastolic; Δ, difference; R-group, resonance group; NR-group, non-resonance group.