Table 3.

Summary of ICC and CV for intraobserver agreement, interobserver agreement and test–retest reproducibility

		Intraobserver agreement			Interobserver agreement			Test–retest
		ICC		CV	ICC		CV	ICC		CV
Overall	n = 47	0.99	(0.98–0.99)	5%	0.89	(0.8–0.934)	17.90%	0.916	(0.85–0.95)	14.50%
Diffuse (S1*)	n = 24	0.98	(0.95–0.99)	5.80%	0.46	(0.06–0.72)	29%	0.81	(0.59–0.9)	19.10%
Diffuse (S2*)	n = 24	0.95	(0.85–0.98)	9.6%	0.9	(0.55–0.96)	14%	0.58	0.23–0.8	27.5%
Focal	n = 23	0.98	(0.95–0.99)	4.50%	0.82	(0.63–0.92)	12.80%	0.83	(0.65–0.925)	12.10%
Impact of bed position
Thorax	n = 20	0.97	(0.93–0.99)	5.69%	0.87	(0.7–0.95)	13.90%	0.81	(0.59–0.92)	14.10%
T-Diffuse	n = 6	0.99	(0.97–0.99)	2%	0.54	(-0.06–0.9)	31%	0.73	(0.03–0.96)	13.9%
T-Focal	n = 14	0.91	(0.74–0.97)	6%	0.71	(0.32–0.89)	11.6%	0.6	(0.11–0.85)	13.8%
Pelvis	n = 22	0.99	(0.99–0.99)	3.48%	0.89	(0.75–0.95)	22.80%	0.953	(0.89–0.98)	14.96%
P-Diffuse	n = 15	0.97	(0.93–0.99)	6.40%	0.33	(-0.18–0.71)	32.70%	0.77	(0.44–0.92)	22.90%
P-Focal	n = 7	0.99	(0.99–0.99)	0.90%	0.86	(0.42–0.97)	14.80%	0.94	0.83–0.99	9.20%
Head and Neck	n = 5	0.988	(0.91–0.99)	5.5%	0.93	(0.5–0.99)	11.4%	0.93	(0.47–0.99)	12.9%
H-Diffuse	n = 3	0.95	(0.19–0.99)	7.5%	0.86	(-1.2–0.99)	12.9%	0.77	(-0.56–0.99)	16.8%
H-Focal	n = 2	0.99	(0.97–0.99)	ID**	0.98	(0.13–0.99)	ID**	0.99	(0.36–0.99)	ID**
Impact of lesion size
Small	n = 8	0.98	(0.91–0.99)	3.10%	0.54	(-0.15–0.89)	18%	0.96	(0.81–0.99)	4.50%
Large	n = 15	0.98	(0.93–0.99)	4.92%	0.9	(0.73–0.96)	9.82%	0.8	(0.51–0.93)	13.50%

CV, coefficient of variation; ICC, intraclass correlation coefficient.

^* Diffuse S1: Sampling technique, S2: Whole Segmentation technique. ID** : Insufficient