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Table 5: 
The average signed errors and average absolute errors of the automatic estimate of the percentage pre- to posttreatment volume change of the necrotic and non-necrotic primary tumors based on reading 1 and reading 2 bounding boxes
Tumor Type No. Tumors Reading 1 Reading 2
Signed Error (%)^a Absolute Error (%)^a Signed Error (%)^a Absolute Error (%)^a
Necrotic tumors 10 −2.5 ± 10.6 7.3 ± 9.6 −0.8 ± 10.1 8.3 ± 4.8
Non-necrotic tumors 24 −2.4 ± 7.7 6.1 ± 5.1 −4.4 ± 11.1 10.0 ± 7.4
P value^b 0.97 0.61 0.41 0.52


a  Mean.


b  Student t test estimation.

Tumor Type	No. Tumors	Reading 1		Reading 2
Tumor Type	No. Tumors	Signed Error (%)^a	Absolute Error (%)^a	Signed Error (%)^a	Absolute Error (%)^a
Necrotic tumors	10	−2.5 ± 10.6	7.3 ± 9.6	−0.8 ± 10.1	8.3 ± 4.8
Non-necrotic tumors	24	−2.4 ± 7.7	6.1 ± 5.1	−4.4 ± 11.1	10.0 ± 7.4
P value^b		0.97	0.61	0.41	0.52