Table 2.

Patient Anatomical Parameters and Dosimetric Correlation (cm, centimeter)

Parameter	Free breathing		Deep inspiratory breath hold		p value
	Mean±SD	Median (IQR)	Mean±SD	Median (IQR)
Haller index	2.32±0.19	2.2 (2.1, 2.4)	2.16±0.18	2.1	0.001
Maximum heart distance	2.57±0.36	2.6 (2.3, 2.9)	1.57±0.36	(2.0, 2.3)	0.001
Central lung distance	2.59±0.57	2.6 (2.3, 2.9)	3.06±0.46	1.6	0.011
Chest wall separation	21.60±1.94	20.9 (20.3, 23.6)	21.9±1.78	(1.2, 1.8)	0.629
Conformity index	1.19±0.15	1.2 (1.0, 1.3)	1.20±0.16	1.1 (1.0, 1.3)	0.615
Homogeneity index	0.23±0.14	0.1 (0.1, 0.2)	0.13±0.02	0.1 (0.1, 0.1)	0.002