TABLE 2.

Unpaired Kruskal–Wallis Distribution of PSMA-TV Quartiles and Corresponding cfDNA Concentrations for Overall and CRPC Patient Groups

			cfDNA
Group	Quartile	PSMA-TV range (cm³)	n	Mean	Mean 95% CI	SD	Minimum	Q1	Median	Q3	Maximum
All	Q1	0–0.2	38	0.769	0.503–1.03	0.809	0.0009	0.282	0.528	0.919	4.25
	Q2	0.2–3.5	37	0.679	0.54–0.818	0.417	0.0674	0.355	0.61	0.86	1.73
	Q3	3.5–23.6	36	0.632	0.483–0.781	0.44	0.0818	0.352	0.488	0.83	1.92
	Q4	23.6–1,597.7	37	1.48	0.856–2.11	1.88	0.183	0.421	0.694	1.88	9.49
CRPC	Q1	−1.0–3.0	19	0.625	0.431–0.818	0.402	0.126	0.284	0.581	0.822	1.49
	Q2	3.0–14.0	19	0.516	0.345–0.687	0.354	0.0818	0.265	0.403	0.665	1.44
	Q3	14.0–108.0	17	1.32	0.178–2.46	2.22	0.102	0.337	0.871	0.981	9.49
	Q4	108.0–1,598.0	19	1.72	0.965–2.48	1.57	0.32	0.472	1.2	2.09	5.14