Table 4.

Relationship between rest myocardial perfusion, and time to peak systolic strain, strain rate and their standard deviations. (n=1,100)

Parameter	Model 1		Model 2		Model 3
	RC	95%CI (p)	RC	95%CI (p)	RC	95%CI (p)
Time to peak systolic strain	−51.2	−95.9 to −6.6 (0.025)	−73.3	−129.4 to −17.2 (0.011)	−68.0	−123.6 to −12.4 (0.017)
Time to peak systolic strain rate	−16.3	−38.1 to +5.5 (0.14)	−32.2	−59.2 to −5.3 (0.020)	−29.6	−56.2 to −2.9 (0.030)
SD of time to peak systolic strain	−13.9	−41.7 to +13.8 (0.32)	−28.1	−54.1 to −2.2 (0.034)	−27.9	−55.0 to −0.9 (0.043)
SD of time to peak systolic strain rate	−16.8	−29.9 to −3.8 (0.012)	−19.9	−36.2 to −3.5 (0.018)	−19.2	−35.4 to −3.0 (0.021)

RC-regression coefficient (ms/ml/min/LV mass [gm]).

SD-standard deviation, 95%CI-95% confidence intervals, p-significance

Model 1- Unadjusted. Model 2-adjusted for age gender, ethnicity and BMI.

Model 3-adjusted for #1+smoking, history of hypertension and DM.