Histopathological characteristics of the radical cystectomy specimen and the 30-day mortality rate (total group).

Table 1: Histopathological characteristics of the radical cystectomy specimen and the 30-day mortality rate (total group).

	DUOS center					Total
	No		Yes		P-value
	N	%	N	%		Total	N	%
Number of identified LNs					< 0.0001
Number of dissected/counted LN not documented	198	22	412	16	< 0.001	610	18
1-9	277	31	832	32		1109	32
≥ 10	414	47	1339	52		1753	50
Number of positive LNs					< 0.001
No positive LNs	610	69	1899	74		2509	72
1-4	146	16	460	18		606	17
5-9	15	2	48	2		63	2
≥ 10	9	1	16	< 1		25	1
Positive LNs documented, but number unknown	4	< 1	10	< 1		14	< 1
No documentation of positive LNs	105	12	150	6		255	7
Surgical margins of cystectomy					0.02
negative	782	88	2301	89		3083	89
positive	80	9	171	7		251	7
Unknown	27	3	111	4		138	4
30-day postoperative mortality	21	2.4	56	2.2	0.90	77	2
Complete pathological response (ypT0N0 ) after NAC and RC	23	29	66	27	0.70	89	28
Pathological stage (pT) at RC					0.11
pT0	37	4	83	3		120	3%
pT1	27	3	82	3		109	3%
pT2	352	40	1025	40		1377	40%
pT3	367	41	1051	41		1418	41%
pT4	94	11	264	10		358	10%
pTX or pT missing	12	1	78	3		90	3%