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Table 5 Mean EQ-5D-5L utility index by patients’ self-assessed performance status at follow-up

From: Mapping the Functional Assessment of Cancer Therapy - Breast (FACT-B) to the 5-level EuroQoL group’s 5-dimension questionnaire (EQ-5D-5L) utility index in a Multi-ethnic Asian population

  Performance status P-value for trenda
Model 0 1 2 3 or 4
Observed data 0.8719 0.7273 0.5941 0.5941  
Ordinary least square      
 Model 3 0.8518 0.7584** 0.6499 0.5886 < 0.001
 Model 4 0.8537 0.7581** 0.6518 0.5883 < 0.001
 Model 5 0.8560 0.7571** 0.6495 0.5842 < 0.001
Tobit model      
 Model 3 0.8890 0.7784** 0.6498 0.5772 < 0.001
 Model 4 0.8913 0.7780** 0.6520 0.5768 < 0.001
 Model 5 0.8944 0.7766** 0.6490 0.5710 < 0.001
Censored least absolute deviation     
 Model 3 0.8478* 0.7590** 0.6558 0.6004 < 0.001
 Model 4 0.8512 0.7580** 0.6545 0.5948 < 0.001
 Model 5 0.8505 0.7541** 0.6487 0.5829 < 0.001
Quantile regression      
 Model 3 0.8478* 0.7590** 0.6558 0.6004 < 0.001
 Model 4 0.8512 0.7580** 0.6545 0.5948 < 0.001
 Model 5 0.8505 0.7541** 0.6487 0.5829 < 0.001
Logistic quantile regression     
 Model 3 0.8341** 0.7548** 0.6526 0.5920 < 0.001
 Model 4 0.8349** 0.7532** 0.6507 0.5886 < 0.001
 Model 5 0.8387** 0.7508** 0.6422 0.5733 < 0.001
  1. aCuzick’s nonparametric test for trend [29].
  2. **P-value < 0.01; *P-value < 0.05 for signed-rank test between observed and predicted utility index within the same performance status level.