Table 2.

Number and percentage of abnormal PET and ≥ 10% ischemia in patients with ZCS and CACS > 0

Age group	Overall			Male			Female
	ZCS	CACS > 0	P value	ZCS	CACS > 0	P value	ZCS	CACS > 0	P value
Abnormal PET
Overall	18/685 (3%)	540/1955 (28%)	< .001	9/241 (4%)	398/1188 (34%)	< .001	9/444 (2%)	142/767 (19%)	< .001
< 40	0/40 (0%)	1/5 (20%)	.111	0/21 (0%)	1/5 (20%)	.192	0/19 (0%)	0/0 (0%)	ND
40–49	1/104 (1%)	12/66 (18%)	< .001	1/54 (2%)	10/49 (20%)	.003	0/50 (0%)	2/17 (12%)	.062
50–59	6/253 (2%)	85/380 (22%)	< .001	5/108 (5%)	72/275 (26%)	< .001	1/145 (1%)	13/105 (12%)	< .001
60–69	5/173 (3%)	176/669 (26%)	< .001	1/43 (2%)	139/428 (33%)	< .001	4/130 (3%)	37/241 (15%)	< .001
70–79	6/99 (6%)	169/593 (29%)	< .001	2/12 (17%)	119/316 (38%)	.222	4/87 (5%)	50/277 (18%)	.002
≥ 80	0/16 (0%)	97/242 (40%)	< .001	0/3 (0%)	57/115 (50%)	.244	0/13 (0%)	40/127 (32%)	.02
≥ 10% ischemia
Overall	3/685 (0.4%)	259/1955 (13%)	< .001	2/241 (0.8%)	194/1188 (16%)	< .001	1/444 (0.2%)	65/767 (8%)	< .001
< 40	0/40 (0%)	1/5 (20%)	.111	0/21 (0%)	1/5 (20%)	.192	0/19 (0%)	0/0 (0%)	ND
40–49	1/104 (1%)	7/66 (11%)	.006	1/54 (2%)	6/49 (12%)	.051	0/50 (0%)	1/17 (6%)	.254
50–59	1/253 (0.4%)	47/380 (12%)	< .001	1/108 (1%)	40/275 (15%)	< .001	0/145 (0%)	7/105 (7%)	.002
60–69	1/173 (1%)	79/669 (12%)	< .001	0/43 (0%)	63/428 (15%)	.003	1/130 (1%)	16/241 (7%)	.008
70–79	0/99 (0%)	84/593 (14%)	< .001	0/12 (0%)	62/316 (20%)	.133	0/87 (0%)	22/277 (8%)	.003
≥ 80	0/16 (0%)	41/242 (17%)	.083	0/3 (0%)	22/115 (19%)	1	0/13 (0%)	19/127 (15%)	.215

Table illustrates the number and percentage of patients with abnormal PET (SSS ≥ 4) and ≥ 10% ischemia (SDS ≥ 7) stratified according to the presence of coronary artery calcification. Fisher’s exact test was used to calculated difference between groups