Table 3.
Distribution of baseline demographic, socioeconomic, and clinical characteristics by screening status.
| Variable | Clinically diagnosed (weighted %) | Asymptomatic* (weighted %) | LUTS** (weighted %) | Asymptomatic or LUTS*** (weighted %) |
| SEER registry | P = 0.16* | P = 0.31** | P = 0.24*** | |
| Atlanta | 14.2 | 14.2 | 12.9 | 13.3 |
| Connecticut | 19.1 | 24.7 | 21.9 | 22.9 |
| Los Angeles | 38.1 | 34.5 | 36.0 | 35.5 |
| New Mexico | 13.7 | 9.8 | 12.0 | 11.3 |
| Seattle | 4.3 | 5.9 | 6.4 | 6.2 |
| Utah | 10.5 | 10.9 | 10.8 | 6.8 |
| Ethnicity | P < 0.01 | P < 0.01 | P < 0.01 | |
| Non-Hispanic white | 65.1 | 79.9 | 75.5 | 77.0 |
| Non-Hispanic black | 20.8 | 12.4 | 13.3 | 13.0 |
| Hispanic | 14.1 | 7.8 | 11.2 | 10.0 |
| Age | P < 0.01 | P = 0.38 | P ≤ 0.01 | |
| < 49 | 2.2 | 4.1 | 1.4 | 2.3 |
| 50–64 | 22.8 | 40.5 | 29.7 | 33.4 |
| 65–74 | 50.7 | 38.7 | 46.5 | 43.8 |
| 75+ | 24.4 | 16.7 | 22.4 | 20.5 |
| Current marital status | P < 0.01 | P = 0.03 | P = 0.01 | |
| Married | 72.9 | 81.4 | 79.7 | 80.3 |
| Unmarried | 27.1 | 18.6 | 20.3 | 19.7 |
| Education | P < 0.01 | P < 0.01 | P < 0.01 | |
| < High school degree | 33.3 | 16.2 | 21.7 | 19.8 |
| High school/college | 37.6 | 45.5 | 44.8 | 45.0 |
| ≥ College degree | 29.7 | 38.3 | 33.5 | 35.2 |
| Income (annual) | P < 0.01 | P = 0.01 | P < 0.01 | |
| < $20,000 | 36.8 | 19.0 | 28.4 | 25.1 |
| $20 – 40,000 | 35.9 | 30.3 | 33.2 | 32.2 |
| $40,000 + | 27.3 | 50.7 | 38.4 | 42.7 |
| Insurance | P < 0.01 | P = 0.23 | P = 0.01 | |
| Private | 39.7 | 48.9 | 44.0 | 44.3 |
| Public/Medicare | 53.1 | 42.7 | 48.2 | 48.2 |
| Unknown | 6.4 | 8.4 | 7.9 | 8.1 |
| Comorbid conditions | P ≤ 0.01 | P = 0.41 | P = 0.05 | |
| None | 32.2 | 41.8 | 35.8 | 37.8 |
| 1 | 30.3 | 34.0 | 32.2 | 32.8 |
| 2 | 17.6 | 16.4 | 16.1 | 16.2 |
| 3+ | 19.8 | 7.8 | 16.0 | 13.2 |
| Health status | P < 0.01 | P < 0.01 | P < 0.01 | |
| Excellent | 9.9 | 23.0 | 15.2 | 17.9 |
| Good | 63.5 | 68.9 | 66.5 | 67.3 |
| Fair or poor | 26.6 | 8.1 | 18.3 | 14.8 |
| PSA (ng/ml) | P = 0.01 | P = 0.20 | P = 0.05 | |
| <4 | 11.7 | 7.0 | 9.3 | 8.5 |
| ≥ 4 | 78.5 | 87.9 | 83.7 | 85.2 |
| Unknown | 9.8 | 5.1 | 7.0 | 6.4 |
| Digital rectal examination | P = 0.10 | P = 0.07 | P = 0.06 | |
| Abnormal | 59.4 | 54.0 | 54.3 | 54.2 |
| Normal | 27.0 | 34.0 | 33.9 | 33.9 |
| Unknown | 13.6 | 12.0 | 11.7 | 11.9 |
| Gleason score | P < 0.01 | P < 0.01 | P < 0.01 | |
| 2 – 4 | 9.6 | 13.6 | 14.9 | 14.4 |
| 5 – 7 | 53.4 | 69.9 | 64.6 | 66.5 |
| 8 – 10 | 22.3 | 8.3 | 11.4 | 10.3 |
| Unknown | 14.7 | 8.2 | 9.1 | 8.8 |
| Tumor stage | P < 0.01 | P < 0.01 | P < 0.01 | |
| Local | 74.6 | 92.8 | 89.1 | 90.4 |
| Regional | 4.0 | 3.2 | 4.0 | 3.7 |
| Advanced | 21.4 | 4.0 | 7.0 | 5.9 |
*P value comparing asymptomatic cases with clinically diagnosed cases.
** P value comparing lower urinary tract symptoms alone cases with clinically diagnosed cases.
***P value comparing asymptomatic and lower urinary tract symptoms alone cases with clinically diagnosed cases.
Legend: LUTS = lower urinary tract symptoms, SEER = Surveillance, Epidemiology, and End Results; PSA = prostate-specific antigen