Table 3:

Comparison of tumor diameter among CR, PR, and PD groups

	No.	Diameterpre (cm)	Diameterearly (cm)	Diameterpost (cm)	Diameter Change (cm)a	Percentage Diameter Changeb
CR	12	4.41 ± 1.46	2.45 ± 1.08	0.00 ± 0.00	4.41 ± 1.46	100
PR	15	5.60 ± 2.35	4.71 ± 2.39	2.03 ± 1.19	3.57 ± 2.07	60.75 ± 18.53
PD	8	5.06 ± 2.02	5.23 ± 2.42	6.21 ± 2.50	−1.16 ± 0.87	26.62 ± 22.16
Total	35	5.07 ± 2.02	4.03 ± 2.31	2.29 ± 2.71	2.78 ± 2.73	54.24 ± 50.38
P value		.325	.007	.000	.000	.000
CR-PR		.137	.008	.001	.201	.000
CR-PD		.486	.005	.000	.000	.000
PR-PD		.543	.570	.000	.000	.000

^aDiameter Change = Diameter_pre − Diameter_post.

^bPercentage Diameter Change = (Diameter_pre − Diameter_post)/Diameter_pre.