Table 2.

Observed correlations in bladder cancer study

	Corr with propensity score			Largest individual corr
	Unconditional	Rad/chemo	Cystectomy	Rad/chemo	Cystectomy
Grade
1	0.004	−0.004	0.000	0.150	0.082
3	0.006	−0.085	0.024	0.153	0.124
4	−0.007	0.076	−0.013	0.183	0.136
5	−0.006	0.049	−0.051	0.153	0.061
Sex	−0.021	−0.035	−0.059	−0.405	0.373
Race
White	0.140	0.111	0.148	−0.189	−0.235
Black	−0.075	−0.070	−0.084	0.235	0.177
Other	−0.125	−0.099	−0.125	0.167	0.381
Hispanic	−0.074	−0.001	−0.071	0.264	0.202
Marital status
Married	−0.003	−0.001	0.012	0.384	0.373
Unmarried	0.014	0.007	0.003	0.405	0.351
Unknown	−0.032	−0.017	−0.044	0.153	0.322
Age	0.134	0.115	0.061	0.199	0.162
Urban Category
1	−0.053	−0.066	−0.043	−0.408	−0.311
2	0.013	0.009	0.005	0.328	0.297
3	0.048	0.067	0.045	0.490	0.359
Comorbidities
0	−0.043	−0.044	−0.019	0.097	−0.097
1	−0.071	−0.075	−0.051	0.128	0.066
2 or more	0.091	0.093	0.058	0.140	0.108