Table 1.

Comparison of baseline demographic and clinical characteristics (n=7,950)

Variables	White (n=6640)	African American (n=862)	Hispanic (n=848)	P value
Mean age at diagnosis (SD)	69.9 (3.5)	69.5 (3.4)	69.7 (3.4)	0.0061
Hospital: Low (< 56)	49.85	58.76	69.60	<.0001
Medium (57–103)	24.89	17.52	14.66
High (104–255)	25.26	23.72	15.74
Surgeon: Low (< 12)	60.27	69.49	72.84	<.0001
Medium (13–27)	19.91	14.35	17.13
High (28–163)	19.82	16.16	10.03
Geographic Area (%) Metro	86.7	98.2	93.2	<.0001
Urban	11.7	1.8	6.5
Rural	1.6	0.00	0.30
Marital Status (%) Married	83.81	70.85	76.54	<.0001
Single	14.55	26.9	21.00
Unknown	1.64	2.25	2.46
Charlson comorbidity (%)- 0	88.67	79.31	97.84	<.0001
1–2	8.36	15.41	1.39
> 3	2.97	5.29	0.77
Mean annual median income of census tract (SD)	42736 (19431)	28034 (13235)	34267 (13412)	<.0001
Histology (%) In Situ/Distant	0.81	1.66	1.08	0.152
Localized/Regional	97.59	95.92	96.76
Un-staged	1.60	2.42	2.16
Tumor Size (%) ≤ T2a	17.99	17.55	19.91	0.0002
T2b and T2c	42.47	34.34	38.58
≥ T3a	5.65	7.72	7.25
Treatment (%):
Radical Prostatectomy	78.19	77.79	78.86	0.73
Radical Prostatectomy +radiation	8.04	9.06	7.56
Prostatectomy + radiation + hormone	2.98	3.78	3.24
Prostatectomy + hormone	10.78	9.37	10.34

Abbreviations: SD=Standard deviation