Table 3 Distribution of coronary lesions in Group 2 patients identified by MDCTCA and CA in the proximal, middle and distal portions of the coronary arteries. CT positive predictive value (PPV) is also reported

Group 2 (MDCTCA + CA)	Patients (n)	MDCTCA no lesions or lesions <50%	CA no lesions or lesions <50%	MDCTCA lesions ⩾50%	CA lesions ⩾50%	MDCTCA PPV (%)
Proximal
LM	44	44/44	44/44	0/44	0/44
LAD	44	27/44	29/44	17/44	15/44
LCX	44	41/44	41/44	3/44	3/44
RCA	44	39/44	40/44	5/44	4/44
Total	176	151/176	154/176	25/176	22/176	88
Middle
LAD	44	26/44	29/44	18/44	15/44
LCX	44	39/44	40/44	5/44	4/44
RCA	44	40/44	41/44	4/44	3/44
Total	132	105/132	110/132	27/132	22/132	81.5
Distal
LAD	44	34/44	37/44	10/44	7/44
LCX	44	38/44	40/44	6/44	4/44
RCA	44	41/44	42/44	3/44	2/44
Total	132	113/132	119/132	19/132	13/132	68.4
Total	440	369/440	383/440	71/440	57/440	80.3
Per patient analysis	44	0	8	44	36	81.8

LAD, left anterior descending artery; LCX, left circumflex artery; LM, left main artery; RCA, right coronary artery.