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Table 1: Summary of Hounsfield units by phase and lesion type using 3 categories—normal, diseased, and recurrent
Group No. Mean SD F P Value^{^a} Tukey HSD Comparisons
Disease Normal Recurrence
Precontrast 
 Normal 29 109.03 16.19 133.73 <.001 <0.001 <0.0001
 Disease 29 88.07 17.54 <0.0001
 Recurrence 29 37.09 17.91 
Arterial 
 Normal 29 233.93 32.56 105.45 <.001 <0.0001 <0.0001
 Disease 29 185.24 36.25 <0.001
 Recurrence 29 99.98 37.67 
Venous 
 Normal 29 191.72 29.5 72.52 <.001 0.0017 <0.0001
 Disease 29 161.03 36.74 <0.0001
 Recurrence 29 90.61 31.69 
Delayed 
 Normal 29 172.31 24.55 67.46 <.001 0.0008 <0.001
 Disease 29 144.07 31.06 <0.0001
 Recurrence 29 87.83 28.6 
Note:—HSD indicates honestly significant difference.
↵a P values were from ANOVA.

Group	No.	Mean	SD	F	P Value^{^a}	Tukey HSD Comparisons
Group	No.	Mean	SD	F	P Value^{^a}	Disease	Normal	Recurrence
Precontrast
Normal	29	109.03	16.19	133.73	<.001		<0.001	<0.0001
Disease	29	88.07	17.54					<0.0001
Recurrence	29	37.09	17.91
Arterial
Normal	29	233.93	32.56	105.45	<.001		<0.0001	<0.0001
Disease	29	185.24	36.25					<0.001
Recurrence	29	99.98	37.67
Venous
Normal	29	191.72	29.5	72.52	<.001		0.0017	<0.0001
Disease	29	161.03	36.74					<0.0001
Recurrence	29	90.61	31.69
Delayed
Normal	29	172.31	24.55	67.46	<.001		0.0008	<0.001
Disease	29	144.07	31.06					<0.0001
Recurrence	29	87.83	28.6