IL1RN and KRT13 Expression in Bladder Cancer: Association with Pathologic Characteristics and Smoking Status

Table 1

Pathologic and smoking characteristics of 109 urothelial carcinoma of the bladder samples and 14 controls.

Group	Stage	𝑛	NS	FS	CS
1 (controls)	𝑛	14	6	6	2
2 (low grade)	PUNLMP	5	1	3	1
	pTa low grade	40	15	18	7
	𝑛	45	16	21	8
3 (high grade—non-muscle-invasive)	pTa high grade	7	3	2	2
	pTis	2	1	0	1
	pT1	23	10	6	7
	𝑛	32	14	8	10
4 (muscle-invasive)	pT2	20	3	10	7
	pT3	9	5	4	0
	pT4	3	0	2	1
	𝑛	32	8	16	8
2–4 (UBC samples)	𝐧	109	38	45	26
1–4 (all samples)	𝐧	123	44	51	28

CS = current smoker; FS = former smoker; NS = never smoker; PUNLMP = papillary urothelial neoplasm of low malignant potential.