Table 2.

Characteristics of the cohort. Statistics presented are median (IQR) or frequency (percent).

	Before checklist implementation N (%)	After checklist implementation N (%)
Number of cases	428 (57%)	325 (43%)
Median age at surgery (years) (N=699)	68 (60, 76)	70 (63, 78)
Male (N=644)	307 (81%)	207 (78%)
Repeat TURBT for high risk patients (N=752)	147 (34%)	107 (33%)
Cases by institution
Institution 1	39 (9%)	56 (17%)
Institution 2	116 (27%)	99 (30%)
Institution 3	47 (11%)	19 (6%)
Institution 4	70 (16%)	35 (11%)
Institution 5	56 (13%)	25 (8%)
Institution 6	50 (12%)	32 (10%)
Institution 7	50 (12%)	59 (18%)
Pathologic tumor stage
pT0	110 (26%)	51 (16%)
Pta	155 (36%)	133 (41%)
pTis	33 (8%)	47 (14%)
pT1	87 (20%)	47 (14%)
pT2–pT4	41 (10%)	35 (11%)
Unknown	2 (1%)	12 (4%)
High grade tumor	225 (53%)	166 (51%)