Research Article

Clinical Features and Body Composition in Men with Hormone-Sensitive Metastatic Prostate Cancer: A Pilot Study Examining Differences by Race

Table 1

Clinical features in Black versus non-Black men with hormone-sensitive metastatic prostate cancerab.

Overall N = 74Non-Black n = 51 (69%)Black n = 23 (31%) value

Age at diagnosis (yr), median (IQR)71 (63–79)71 (63–81)70 (65–75)0.9441
 <65 yr, n (%)23 (31)16 (31)7 (30)1.000
 ≥65 yr, n (%)51 (69)35 (69)16 (70)
Married, n (%)43 (58)33 (65)10 (44)0.2969
Insurance, n (%) (n = 73)0.3203
 Private41 (56)29 (58)12 (52)
 Public31 (43)21 (42)10 (44)
Smoking status, n (%) (n = 72)0.4024
 Current3 (4)1 (2)2 (9)
 Former40 (56)28 (56)12 (55)
 Never29 (40)21 (42)8 (36)
Body mass index (kg/m2), median (IQR) (n = 71)27.6 (24.8–31.1)28.3 (25.2–31.0)26.3 (22.5–32.8)0.5907
ECOG at diagnosis, n (%)0.0589
 059 (80)44 (86)15 (65)
 ≥115 (20)7 (14)8 (35)
Baseline PSA (ng/mL), median (IQR) (n = 51)110 (35–677)81 (22–403)304 (53–1402)
Gleason score, n (%)0.1736
 727 (36)16 (31)11 (48)
 8–1047 (64)35 (69)12 (52)
Total distant metastases, median (IQR)1 (1-2)1 (1-2)2 (1-2)0.8065
 Bone metastases, n (%)56 (76)39 (76)17 (74)1.000
Laboratory values, median (IQR)
 Hemoglobin (g/dL) (n = 71)12.5 (11.0–13.69)13.0 (11.5–13.9)11.1 (8.6–13.7)0.0408
 Lymphocytes (109 cells/liter) (n = 65)1.4 (1.0–1.8)1.3 (1.0–1.8)1.6 (1.2–1.8)0.5270
 Creatinine (mg/dL) (n = 73)(1.10.05)(0.9–1.6)1.1 (0.9–1.4)1.5 (1.1–1.7)0.0454
 ALT (U/L) (n = 70)21 (15–27)21 (15–29)18 (15–22)0.2722
 ALP (U/L) (n = 70)95 (68–229)89 (65–216)117 (73–412)0.4456
 Albumin (g/dL) (n = 70)3.6 (3.4–4.1)3.7 (3.5–4.2)3.4 (3.1–3.6)0.0055
Comorbid conditions, median (IQR)2 (1–3)2 (1–3)2 (2-3)0.4455
 History of diabetes, n (%)21 (28)11 (22)10 (43)0.0530
Presenting symptoms, n (%)
 None7 (9)7 (14)0 (0)0.0912
 Fatigue11 (15)6 (12)5 (22)0.3008
 Hematuria18 (24)12 (23)6 (26)0.8124
 Lower urinary tract45 (61)32 (63)13 (57)0.6118
 Pain28 (38)18 (35)10 (43)0.5017
 Weight loss21 (28)11 (22)10 (43)0.0530
Frontline docetaxel, n (%)25 (34)18 (35)6 (26)0.4336
Progression, n (%) (n = 62)c34 (55)26 (60)8 (44)0.2928
Died, n (%) (n = 66)36 (55)26 (56)10 (50)0.6248

aALT = alanine aminotransferase, ALP = alkaline phosphatase, ECOG = European Cooperative Oncology Group; IQR = interquartile range, and PSA = prostate-specific antigen. bMedian follow-up for all patients 23.3 (13.4–35.0), Black 18.9 (11.8–36.5), and non-Black 24.7 (14.6–35.0) in months. cSample less than 74 as progression status was unknown for 12 men.