3. Results
3.1. Demographic and Clinical Characteristics
Of 4466 Health Registry participants, 2385 (53%) completed the
PSQ-18 and were included in this analysis. Compared to
patients who did not complete the PSQ-18, patients who
completed the questionnaire were slightly older: mean age
58 ± 12.5 compared to mean age of 54 ± 14.6. The groups were
similar in terms of gender and race distribution.
Study participants were divided into three age categories for
analysis: younger (aged under 50), middle aged (ages 50–69), and
older (age 70 and above).
Table 1 describes the demographic and clinical characteristics
of the study sample. There were more male and white
patients in the older and middle-aged cohorts compared to
the younger group (p < 0.0001). There were also significantly