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Table 2 Hemodynamic and SPECT data

From: Short-duration, submaximal intensity exercise stress combined with adenosine triphosphate decreases artifacts in myocardial perfusion single-photon emission computed tomography

  Total Group p Value
A A + 25 W A + 35 W A + 45 W
Hemodynamic parameters
SBP pre, mmHg 144 ± 20 144 ± 21 148 ± 18 137 ± 22 148 ± 21 0.182
post, mmHg 178 ± 41 146 ± 26 187 ± 39 175 ± 40 202 ± 37 < 0.001
DBP pre, mmHg 76 ± 15 74 ± 15 77 ± 13 74 ± 16 80 ± 16 0.387
post, mmHg 80 ± 28 69 ± 19 77 ± 18 80 ± 38 95 ± 30 0.013
HR pre, bpm 76 ± 13 76 ± 12 75 ± 12 76 ± 17 78 ± 10 0.905
post, bpm 105 ± 22 80 ± 12 107 ± 18 105 ± 17 124 ± 17 < 0.001
RPP pre 10,902 ± 2282 10,854 ± 2236 11,054 ± 2296 10,266 ± 2260 11,476 ± 2241 0.28
post 19,109 ± 6880 11,690 ± 2916 20,089 ± 5625 18,377 ± 4741 25,685 ± 6467 < 0.001
delta 8207 ± 6250 836 ± 2265 9035 ± 4769 8111 ± 3554 14,209 ± 6173 < 0.001
SPECT data
EDV stress, mL 67 ± 23 64 ± 24 72 ± 26 66 ± 23 65 ± 16 0.505
rest, mL 68 ± 23 65 ± 24 71 ± 26 68 ± 23 66 ± 18 0.721
ESV stress, mL 21 ± 13 21 ± 12 24 ± 16 21 ± 11 18 ± 9 0.46
rest, mL 20 ± 13 20 ± 12 20 ± 13 20 ± 11 17 ± 9 0.672
EF stress, % 70 ± 10 68 ± 11 70 ± 12 69 ± 8 73 ± 7 0.286
rest, % 73 ± 9 71 ± 9 73 ± 9 72 ± 9 76 ± 8 0.286
SSS 1.3 ± 1.2 1.0 ± 1.2 1.2 ± 1.1 1.6 ± 1.1 1.4 ± 1.2 0.345
SRS 1.3 ± 1.6 1.0 ± 21.9 1.1 ± 1.3 2 ± 1.7 1.1 ± 1.2 0.06
SDS 0.7 ± 0.9 0.7 ± 1.1 0.7 ± 0.8 0.6 ± 0.6 0.9 ± 1.1 0.685
  1. Data are mean ± SD
  2. SBP systolic blood pressure, DBP diastolic blood pressure, HR heart rate, RPP rate pressure product, EDV end-diastolic volume, ESV end-systolic volume, EF ejection fraction, SSS summed stress score, SRS summed rest score, SDS summed difference score