. 2019 Oct 21;14:328. doi: 10.1186/s13018-019-1392-6

Table 4.

Levels of uCTX-II, uC2C, uPYD, and uHelix-II in the different KBD grade groups

Markers	IC (grade 0 KBD)		Grade I KBD		Grade II KBD		H	P
Markers	Median	P₂₅, P₇₅	Median	P₂₅, P₇₅	Median	P₂₅, P₇₅	H	P
uCTX-II (ng/mmol.cre)	27.48	23.20, 33.80	40.15	29.63, 56.81	56.59	37.05, 77.76	42.707	< 0.001^c
uC2C (ng/mmol.cre)	1.67	1.27, 2.02	1.99	1.39, 3.06	3.01	1.64, 4.45	17.808	< 0.001^c
uPYD (nmol/mmol.cre)	24.93	20.83, 29.88	30.54	19.56, 43.51	47.61	28.14, 73.91	13.474	0.001^c
uHelix-II (nmol/mmol.cre)	0.35	0.27, 0.50	0.44	0.31, 0.70	0.67	0.30, 1.29	9.760	0.008^c

IC internal control, KBD Kashin-Beck disease

^cKruskal-Wallis H test