Table 1.

Patient characteristics

VariableNormal (n = 128)Overweight (n = 267)Obese (n = 131)P*
Age (mean ± SD)60.8 ± 7.359.7 ± 7.158.9 ± 7.00.06
Ethnicity
    White/Hispanic113 (88.3)232 (86.9)109 (83.2)0.46
    African American15 (11.7)35 (13.1)22 (16.8)
Pathologic stage T3/T429 (22.7)72 (27.0)38 (29.2)0.47
Surgical margin positive19 (15.0)34 (12.8)24 (18.6)0.31
Seminal vesicle involvement10 (7.8)19 (7.1)18 (13.8)0.08
Lymph node positive4 (3.1)8 (3.0)2 (2.3)0.91
Preoperative PSA >10 ng/mL31 (24.6)51 (19.2)30 (23.1)0.43
Gleason score
    ≤634 (26.6)64 (24.1)33 (25.4)0.94
    7 (3 + 4)40 (31.3)84 (31.6)47 (36.2)
    7 (4 + 3)28 (21.9)57 (21.4)25 (19.2)
    ≥826 (20.3)61 (22.9)25 (19.2)
Mean years of education15.415.014.60.18
Physical activity
    ≥1 times/wk100 (79.4)196 (75.1)83 (64.3)0.04
    Few times/mo12 (9.5)26 (10.0)14 (10.9)
    Rarely/never14 (11.1)39 (14.9)32 (24.8)
Positive family history28 (21.9)58 (21.7)28 (21.4)0.99
Smoking status
    Current16 (12.5)26 (9.7)9 (6.9)0.13
    Former69 (53.9)135 (50.6)82 (63.1)
    Never43 (33.6)106 (39.7)39 (30.0)
Disease status
    No progression104 (81.3)223 (83.5)102 (77.9)0.39
    Progression24 (18.8)44 (16.5)29 (22.1)
  • * χ2, P.

  • Kruskal-Wallis test P.