Table 3.
Clinical and Demographic Features by Age of Balding Onset (n=708)
| Age of Balding Onset |
Never bald | Bald at age 30 |
Bald at age 40 |
Bald at study enrollment |
P | |
|---|---|---|---|---|---|---|
| No. subjects | 267 | 170 | 117 | 154 | ||
| Median age, years (IQR) | 61.6 (58.1–64.7) | 62.5 (59.4–66.6) | 62.7 (59.2–67.0) | 63.5 (61.1–67.2) | <0.001 | |
| Median PSA, ng/dl (IQR) | 3.7 (0.8–5.6) | 4.5 (1.4–6.2) | 4.7 (1.4–6.3) | 4.5 (1.4–6.2) | 0.03 | |
| Race (%) | 0.09 | |||||
| Black | 104 (39) | 67 (39) | 61 (52) | 62 (40) | ||
| Non-Black | 163 (61) | 103 (61) | 56 (48) | 92 (60) | ||
| Median BMI Kg/m2, (IQR) | 29.8 (26.3–34.1) | 30.3 (27.1–34.2) | 28.9 (26.1–32.1 ) | 29.5 (26.1–32.8) | 0.10 | |
| Family History | 0.49 | |||||
| Negative | 204 (76) | 135 (79) | 84 (72) | 120 (78) | ||
| Positive | 63 (24) | 35 (21) | 33 (28) | 34 (22) | ||
| Digital Rectal Examination (%)** | 0.96 | |||||
| Not suspicious | 97 (73) | 75 (74) | 56 (76) | 67 (76) | ||
| Suspicious | 35 (27) | 27 (26) | 18 (24) | 21 (24) | ||
| Gleason Score (%)* | 0.14 | |||||
| ≤6 | 34 (68) | 26 (54) | 15 (43) | 18 (53) | ||
| ≥7 | 16 (32) | 22 (46) | 20 (57) | 16 (47) | ||
‡
Generated using Chi squared test
†
Generated using Kruskal-Wallis
**
Data only available for men undergoing prostate biopsy
*
Data only available for men with cancer