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Table 3 Equations to predict EQ-5D and OAB-5D utilities from symptom frequency level

From: Estimating EQ-5D and OAB-5D health state utilities for patients with overactive bladder

Effect

EQ-5D utility

OAB-5D utility

β estimate

β SE a

P value b

β estimate

β SE a

P value b

Intercept

0.940

0.0230

<.0001

0.766

0.0085

<.0001

Age

-0.001

0.0002

0.0006

0.0003

0.0001

<.0001

Gender: female vs. male

-0.021

0.0063

0.0006

0.005

0.0024

0.0551

BMI

-0.003

0.0004

<.0001

-0.001

0.0002

0.0003

Previously treated with antimuscarinics

-0.019

0.0055

0.0006

-0.017

0.0021

<.0001

Micturitions level: 1 vs. 5

0.056

0.0057

<.0001

0.088

0.0022

<.0001

Micturitions level: 2 vs. 5

0.040

0.0052

<.0001

0.055

0.0021

<.0001

Micturitions level: 3 vs. 5

0.029

0.0051

<.0001

0.035

0.0020

<.0001

Micturitions level: 4 vs. 5

0.019

0.0051

0.0002

0.019

0.0020

<.0001

Incontinence episodes level: 1 vs. 5

0.052

0.0052

<.0001

0.076

0.0020

<.0001

Incontinence episodes level: 2 vs. 5

0.037

0.0052

<.0001

0.048

0.0020

<.0001

Incontinence episodes level: 3 vs. 5

0.022

0.0054

<.0001

0.025

0.0021

<.0001

Incontinence episodes level: 4 vs. 5

0.011

0.0058

0.0481

0.012

0.0023

<.0001

Study: SCORPIO vs. CAPRICORN

-0.019

0.0081

0.0174

-0.012

0.0030

<.0001

Study: ARIES vs. CAPRICORN

-0.008

0.0083

0.3409

0.004

0.0031

0.1984

  1. aSE: Standard error.
  2. b t- test to test the null hypothesis that the associated β estimate equals zero.