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. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: Atherosclerosis. 2011 Jan 21;215(2):500–506. doi: 10.1016/j.atherosclerosis.2011.01.012

Table 2.

Myocardial perfusion imaging data in smokers compared with non-smokers

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.