Table 4:

Quantitative characteristics of vFP and TP contrast-enhancement sources on SPACE images^{^a}

	vFP	TP	P	vFP_small	TP_small	P	vFP_large	TP_large	P
No.	38	66		28	29		10	37
Volume (mm³)
Median	11.5	16	.027^{^b,^d}	7.5	9	.981^{^b}	34	49	.730^{^b}
Range	3–84	3–565		3–14	3–14		30–84	15–565
CNR
Median	7.73	11.18	.003^{^b,^d}	7.66	8.38	.544^{^b}	7.85	15.87	.015^{^b,^d}
Range	1.67–22.67	2.18–44.06		1.67–22.37	2.18–20.28		3.92–22.67	5.67–44.06
Morphology (No.) (%)
Nodular	26 (68.4%)	52 (78.8%)	.078^{^c}	22 (78.6%)	26 (89.7%)	.292^{^c}	4 (40%)	26 (70.3%)	.036^{^c,^d}
Tubular	4 (10.5%)	0 (0%)		2 (7.1%)	0 (0%)		2 (20%)	0 (0%)
Ring/open-ring	8 (28.1%)	14 (21.2%)		4 (14.3%)	3 (10.3%)		4 (40%)	11 (29.7%)

↵a Large and small TPs and vFPs are categorized according to the median of their volume-distribution frequency (14 mm³).
↵b Mann-Whitney U test.
↵c Pearson χ².
↵d Statistically significant results.