Table 1.
Descriptive statistics for patient characteristics—pretherapeutic functional status and predictor variables
| Variable | Mean ± SD | Median (IQR) | Range |
|---|---|---|---|
| Pretherapeutic functional status | |||
| Urinary incontinence (missing: 6.3%; n = 193) | 92.39 ± 14.54 | 100 (91.75–100) | 0–100 |
| Urinary irritative/obstructive (missing: 8.7%; n = 269) | 85.55 ± 15.95 | 87.5 (75–100) | 0–100 |
| Bowel (missing: 8.3%; n = 257) | 95.96 ± 9.56 | 100 (95.83–100) | 29.17–100 |
| Sexual (missing: 4.4%; n = 135) | 58.95 ± 29.3 | 62.5 (33.4–87.5) | 0–100 |
| Hormonal (missing: 6.2%; (n = 192) | 90.05 ± 14.49 | 95 (85–100) | 0–100 |
| Patient characteristics | |||
| Sociodemographic information | |||
| Age (missing: 0%; n = 0) | 66 ± 7 | 66 (61–72) | 39–85 |
| % | n | ||
|---|---|---|---|
| Nationality (missing: 4.7%; n = 145) | |||
| German | 91.6 | 2632 | |
| Other | 3.6 | 104 | |
| Health insurance (missing: 4.7%; n = 146) | |||
| Statutory | 73.6 | 2115 | |
| Private | 21.6 | 620 | |
| School-leaving qualification (missing: 5%; n = 154) | |||
| Lower secondary school | 37.2 | 1069 | |
| Intermediate secondary school | 23.5 | 675 | |
| FHSR | 11.8 | 339 | |
| University entrance certificate | 20.1 | 578 | |
| Other | 1.6 | 45 | |
| None | 0.7 | 20 | |
| Disease information | |||
| Comorbidities (missing: 21.6%; n = 666) | |||
| 0 | 49 | 1408 | |
| 1 | 22.5 | 647 | |
| ≥ 2 | 7.3 | 210 | |
| Risk class a (missing: 0%; n = 0) | |||
| High, localized | 32.2 | 924 | |
| Intermediate, localized | 46.1 | 1325 | |
| Low, localized | 15.9 | 457 | |
| Locally advanced | 4.7 | 136 | |
| Advanced | 1.1 | 32 | |
| Treatment allocation | |||
| Treatment initiated after questionnaire administration(missing: 0%; n = 0) | |||
| RPE | 93.1 | 2676 | |
| RT | 5.5 | 159 | |
| AS | 1.1 | 31 | |
| WW | 0.3 | 8 | |
| Center characteristics | Mean ± SD | Median (IQR) | Range |
|---|---|---|---|
| Recruitment rate (missing: 0.7%; n = 21) | 50.92 ± 17.08 | 56 (38–62) | 5–95 |
| % | n | ||
| Ownership (missing: 0%; n = 0) | |||
| Charitable | 3.0 | 86 | |
| For profit | 51.5 | 1481 | |
| Public | 45.5 | 1307 | |
| Urban status (missing: 0%; n = 0) | |||
| ≤ 100,000 | 34.5 | 992 | |
| > 100,000–1,000,000 | 59.5 | 1710 | |
| > 1,000,000 | 6.0 | 172 | |
| Teaching status (missing: 0%; n = 0) | |||
| No | 4.1 | 117 | |
| Yes, non-university | 79.8 | 2293 | |
| Yes, university | 16.1 | 464 | |
aRisk class in accordance with the German clinical guideline [28]
AS active surveillance, FHSR Fachhochschulreife, entrance certificate for a higher technical college/university of applied science, IQR interquartile range, RPE radical prostatectomy, RT radiotherapy, SD standard deviation, WW watchful waiting