Table 9.

Summary of IROC phantom irradiation results for the lung and spine phantoms. The dosimetric precision of TLD is 3%

Phantom	TLD Location	IROC vs. Inst	Criteria	Film Plane	Gamma Index	Criteria
Lung Phantom	PTV TLD sup	0.97	0.92–1.08	Axial	100%	$\ge 80\%$
	PTV TLD inf	0.98	0.92–1.08	Coronal	100%	$\ge 80\%$
				Sagittal	100%	$\ge 80\%$
Spine Phantom	PTV TLD sup ant	1.01	0.93–1.07	Axial	90%	$\ge 85\%$
	PTV TLD inf ant	1.00	0.93–1.07
	PTV TLD sup post	1.00	0.93–1.07	Sagittal	91%	$\ge 85\%$
	PTV TLD inf post	0.99	0.93–1.07