Table 2.

D-SPECT data of the study population.

Variables	Group 1 (n = 226)	Group 2 (n = 67)	Group 3 (n = 106)	p-Value
SRS (median ± IQR)	1.40 ± 3.09	1.46 ± 2.66	2.04 ± 4.42	0.274
SSS (median ± IQR)	3.19 ± 4.71	3.14 ± 4.18	4.03 ± 5.57	0.307
SDS (median ± IQR)	1.80 ± 2.30	1.76 ± 2.14	1.99 ± 2.29	0.729
TPD (%)	4.38 ± 6.38	4.25 ± 5.72	5.22 ± 7.09	0.495
TID	1.09 ± 0.15	1.11 ± 0.12	1.10 ± 0.12	0.677
Rest EDV (ml)	62.43 ± 18.46	75.36 ± 18.54	86.82 ± 27.47	< 0.001
Rest ESV (ml)	20.89 ± 10.11	28.99 ± 11.72	38.49 ± 18.51	< 0.001
Rest LVEF (%)	67.53 ± 12.30	62.55 ± 9.46	56.69 ± 13.21	< 0.001
Rest PER (–EDV/s)	3.71 ± 0.71	3.17 ± 0.57	2.78 ± 0.73	< 0.001
Rest PFR (EDV/s)	2.82 ± 0.76	2.52 ± 0.98	1.71 ± 0.32	< 0.001
Rest TTPF (ms)	178.9 ± 59.0	193.9 ± 69.5	186.8 ± 56.0	0.161
Rest MFR/3 (EDV/s)	1.25 ± 0.36	1.14 ± 0.33	1.02 ± 0.27	< 0.001
Stress EDV (ml)	69.09 ± 20.00	84.72 ± 19.53	93.23 ± 28.37	< 0.001
Stress ESV (ml)	23.94 ± 11.42	35.66 ± 12.38	41.6 ± 20.48	< 0.001
Stress LVEF (%)	66.89 ± 8.14	58.70 ± 9.60	57.45 ± 10.83	< 0.001
Stress PER (–EDV/s)	3.49 ± 0.65	2.88 ± 0.54	2.89 ± 0.69	< 0.001
Stress PFR (EDV/s)	2.70 ± 0.58	1.78 ± 0.27	1.92 ± 0.43	< 0.001
Stress TTPF (ms)	176.4 ± 59.5	191.0 ± 44.0	181.9 ± 47.2	0.144
Stress MFR/3 (EDV/s)	1.27 ± 0.35	1.06 ± 0.25	1.1 ± 0.31	< 0.001

SRS, summed rest score; SSS, summed stress score; SDS, summed difference score; TPD, total perfusion defects; TID, transient ischemic dilation; EDV, end diastolic volume; ESV, end systolic volume; LVEF, left ventricular ejection fraction; PER, peak ejection rate; PFR, peak filling rate; TTPF, time to peak filling; MFR/3, mean filling rate over first third of diastole.