TABLE 3.
Multivariable Linear Regression Model of Baseline Summary Scores for Sexual Function, Urinary Irritation, Urinary Incontinence, Hormonal Function, and Bowel Function
| Summary Score | Coefficient | P | 95% CI |
|---|---|---|---|
| Sexual function | |||
| Age (continuous) | −1.24 | <.001 | −1.39 to −1.09 |
| TIBI-CaP 3–5 (vs 0–2) | −5.95 | <.001 | −8.53 to −3.38 |
| TIBI-CaP 6–8 (vs 0–2) | −14.74 | <.001 | −18.34 to −11.15 |
| TIBI-CaP 9+ (vs 0–2) | −30.04 | <.001 | −36.07 to −24.00 |
| Urinary irritation | |||
| Age (continuous) | −0.10 | .037 | −0.17 to −0.01 |
| TIBI−CaP 3–5 (vs 0–2) | −3.63 | <.001 | −5.08 to −2.20 |
| TIBI-CaP 6–8 (vs 0–2) | −8.88 | <.001 | −10.90 to −6.86 |
| TIBI-CaP 9+ (vs 0–2) | −16.86 | <.001 | −20.30 to −13.42 |
| Urinary incontinence | |||
| Age (continuous) | −0.09 | .056 | −0.19 to 0.002 |
| TIBI-CaP 3–5 (vs 0–2) | −0.56 | .516 | −2.23 to 1.12 |
| TIBI-CaP 6–8 (vs 0–2) | −4.95 | <.001 | −7.29 to −2.60 |
| TIBI-CaP 9+ (vs 0–2) | −14.68 | <.001 | −18.63 to −10.73 |
| Hormonal function | |||
| Age (continuous) | 0.21 | <.001 | 0.14 to 0.28 |
| TIBI-CaP 3–5 (vs 0–2) | −4.19 | <.001 | −5.40 to −2.99 |
| TIBI-CaP 6–8 (vs 0–2) | −11.22 | <.001 | −12.91 to −9.53 |
| TIBI-CaP 9+ (vs 0–2) | −23.36 | <.001 | −26.21 to −20.50 |
| Bowel function | |||
| Age (continuous) | −0.01 | .678 | −0.07 to 0.48 |
| TIBI-CaP 3–5 (vs 0–2) | −1.57 | .003 | −2.63 to −0.52 |
| TIBI-CaP 6–8 (vs 0–2) | −6.54 | <.001 | −8.01 to −5.07 |
| TIBI-CaP 9+ (vs 0–2) | −11.38 | <.001 | −13.88 to −8.89 |
Abbreviations: CI, confidence interval; TIBI-CaP, Total Illness Burden Index-Prostate Cancer.