TABLE 2

Hemodynamics in Study Groups

Characteristic	Control patients (n = 44)	Normal MPI (n = 309)	Abnormal MPI (n = 157)	All patients (n = 510)
Rest HR (bpm)	70 ± 15	69 ± 13	70 ± 13	70 ± 13
Peak stress HR (bpm)	87 ± 17	83 ± 16	79 ± 15^*	82 ± 16
Rest SBP (mm Hg)	141 ± 23	150 ± 24	147 ± 27	148 ± 25
Peak stress SBP (mm Hg)	135 ± 25	143 ± 27	136 ± 29^*	140 ± 28
RPP (rest)	10,014 ± 2,852	10,397 ± 2,491	10,242 ± 2,750	10,316 ± 2,599
RPP (peak stress)	11,798 ± 3,209^†	11,812 ± 3,131^†	10,758 ± 3,155^*^†	10,316 ± 2,599^†

↵* ANOVA, P < 0.05 across groups.
↵† P < 0.01 compared with rest.
MPI = myocardial perfusion imaging; HR = heart rate; SBP = systolic blood pressure; RPP = rate·pressure product.
Data are presented as mean ± SD.