. Author manuscript; available in PMC: 2009 Jul 4.

Published in final edited form as: J Urol. 2008 Mar 18;179(5):1850–1856. doi: 10.1016/j.juro.2008.01.047

Table 1. Significant Associations Between Urine Markers and Biopsy Findings in Untreated IC Patients.

		Cystoscopic criteria required				Criteria not required
Biopsy	Urine	n^*	r^**	95% CI	P value	n^*	r^**	95% CI	P value
HB-EGF in urothelium	IL-8	22	-0.30	-0.51, -0.10	0.005	34	-0.34	-0.55, -0.12	0.002
EGF receptor in urothelium	cGMP	22	0.35	0.13, 0.57	0.002	35	0.34	0.13, 0.55	0.002
EGF receptor in urothelium	IL-6	30	0.29	0.02, 0.57	0.04	45	0.29	0.07, 0.51	0.01
Mast cells in lamina propria	IL-8	22	0.13	-0.18, 0.45	0.40	34	0.29	0.06, 0.52	0.01

some values are missing, due to loss or insufficiency of the relevant urine aliquot or slide.

^**

Kendall's tau-b correlation coefficient