Table 2.

Correlation between initial CT findings and UTUC positivity

Initial CT findings	Total,	UTUC	UTUC	p value
	n	positive, n (%)	negative, n (%)
Tumor-like lesions
Yes	11	11 (100)	0 (0)	0.0002
No	20	6 (30)	14 (70)
Wall thickening*
Yes	19	14 (74)	5 (26)	0.012
No	12	3 (25)	9 (75)
Hydronephrosis†
Yes	18	11 (61)	7 (39)	0.65
No	13	6 (46)	7 (54)
Any findings
Yes	23	15 (65)	8 (35)	0.097
No	8	2 (25)	6 (75)

UTUC, urinary tract urothelial carcinoma; CT, computed tomography.

^*Including the cases with tumor-like lesions.

^†Including the cases with tumor-like lesions or wall thickening.