Table 2.
Myocardial perfusion | Non- smokers |
Smokers | p-value |
---|---|---|---|
Abnormal perfusion (summed stress score ≥ 4) No (%) | 63 (26.4) | 24 (36.9) | 0.09 |
Summed stress score | 2.18 (4.32) | 4.23 (7.63) | 0.02 |
Summed rest score | 0.59 (2.34) | 1.42 (3.37) | <0.001 |
Summed difference score | 1.59 (3.54) | 2.82 (6.37) | 0.34 |
Average rate-pressure product during adenosine | 92.0 (23.9) | 86.1 (22.9) | 0.11 |
Maximal rate-pressure product during adenosine | 114.8 (31.1) | 105.2 (28.6) | 0.04 |
Coronary vascular resistance during rest | 1.56 (0.31) | 1.32 (0.28) | <0.001 |
Coronary vascular resistance during hyperemia | 0.59 (0.19) | 0.62 (0.19) | 0.50 |
Values presented are means (SD). P-values are obtained from mixed models for continuous variables that included a random intercept for pair.