Table 2.

Provider practice styles according to average treatment intensity

Processes of care	Quartiles of provider treatment intensity				P*
	1 (low)	2	3	4 (high)
Surveillance related
Endoscopic surveillance, mean number of procedures	7.3	7.7	7.9	8.3	<.001
Upper urinary tract evaluation, mean number of tests	0.9	1.0	1.0	1.2	<.001
Radiographic imaging, mean number of studies	5.1	5.1	5.4	6.0	<.001
Urinary cytology, mean number of tests	1.3	1.7	1.9	2.3	<.001
Urine cytology, mean % of patients	41.3	47.8	50.4	56.8	<.001†
Urinalysis, mean number of tests	7.3	7.3	8.4	8.5	<.001
Treatment related
Intravesical therapy, mean number of instillations	2.6	3.4	4.1	5.0	<.001
Induction courses‡ of intravesical therapy, mean number	0.5	0.5	0.6	0.6	<.001
Induction intravesical therapy, mean % of patients	21.7	25.8	30.2	36.0	<.001†
Repeat endoscopic resection, mean % of patients	4.7	5.6	6.4	9.6	<.001†
Medical services
Visits to the urologist, mean number	3.4	3.5	4.1	4.2	<.001
Visits to the other physicians, mean number	20.2	19.4	19.8	19.9	.12

^*P values based on two-sided Kruskal–Wallis test except where indicated.

^†Two-sided chi-square test.

^‡Five or more treatments of intravesical therapy within a 45-day period.