Table 2.

Mean area and volume of necrotic core and dense calcium with conventional and Shin’s method

	Conventional	Shin’s	Absolute △	P
Frame (n = 1401)
Vessel area, mm²	13.78 ± 3.90	13.78 ± 3.90	0
DC area, mm²	0.41 ± 0.51	0.38 ± 0.48	0.04 ± 0.07	0.07
NC area, mm²	0.78 ± 0.70	0.80 ± 0.71	0.02 ± 0.02	0.62
Segment (n = 59)
Lesion length, mm	10.15 ± 0.29	10.15 ± 0.29	0
Vessel volume, mm³	140.65 ± 37.90	140.65 ± 37.90	0
DC volume, mm³	4.35 ± 4.43	3.99 ± 4.16	0.36 ± 0.52	0.66
NC volume, mm³	8.26 ± 6.62	8.39 ± 6.72	0.34 ± 0.29	0.91

Values are presented as mean ± SD

DC dense calcium, NC necrotic core, P conventional versus Shin’s method, △ difference