Table 2. Hydraulic resistances (in cmH₂O*60 s/ml) measured from the slope (m) of the linear regression (R-squared values, R², are also reported) of renal pelvic pressure versus flow rate values (example in Figure 5A) for each combination of viscosity and severity of obstruction (OB%).

	Viscosity (cP)
OB%	1		1.3		1.7		2.5		3.7		6
	m	R2	m	R2	m	R2	m	R2	m	R2	m	R2
0	0.046	0.93	−0.004	0.51	0.007	0.60	0.028	0.95	0.03	0.269	0.323	0.689
only stent	0.675	0.99	0.642	0.999	1.102	0.998	1.210	0.99	1.481	0.999	2.909	0.999
84	0.779	0.99	0.957	1	0.805	0.887	1.682	0.99	2.443	0.999	3.956	0.99
88	0.899	0.99	0.989	0.998	1.246	0.999	1.645	1.00	2.052	0.999	3.533	0.999
91	0.781	0.98	0.891	0.971	1.266	1.266	1.649	0.99	2.091	0.999	3.419	1
94	0.841	0.99	1.206	0.998	1.295	0.999	1.912	0.99	2.868	0.99	4.038	0.99
96	1.046	0.98	1.303	0.999	1.447	0.998	2.152	0.99	2.84	0.999	4.591	0.99
100	1.06	0.99	1.329	0.704	1.603	0.998	2.065	0.99	3.115	0.999	5.078	0.99