Table 3.
Blood pressure measurements
| 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 |
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.