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Table 5 Multivariate cox regression analysis

From: Self-rated health supersedes patient satisfaction with service quality as a predictor of survival in prostate cancer

Variable HR 95 % CI P-value
Model I: individual PS items
Team giving you the information you need to understand your medical condition 0.87 0.30 to 2.5 0.80
Team involving you in decision making as much as you preferred 0.42 0.17 to 1.0 0.06
Teams communicating with each other concerning your medical condition and treatment 1.1 0.38 to 3.5 0.80
Team treating you with respect and in a professional manner 1.4 0.49 to 4.2 0.51
Waiting time for appointments 0.71 0.36 to 1.4 0.34
Overall self-rated health (“not excellent” as referent) 0.30 0.11 to 0.86 0.03*
Treatment History (newly diagnosed as referent) 2.9 1.6 to 5.2 <0.001*
Stage at diagnosis (stages I-III as referent) 3.4 1.8 to 6.2 <0.001*
Age at first survey (used as a continuous variable) 1.1 1.02 to 1.1 0.001*
Model II: overall PS item
Overall patient satisfaction with the institution 0.76 0.40 to 1.5 0.40
Overall self-rated health (“not excellent” as referent) 0.31 0.12 to 0.79 0.01*
Treatment History (newly diagnosed as referent) 2.8 1.6 to 5.0 <0.001*
Stage at diagnosis (stages I-III as referent) 3.5 1.9 to 6.3 <0.001*
Age at first survey (used as a continuous variable) 1.1 1.02 to 1.1 0.002*
  1. • *P <0.05
  2. • Individual and overall PS items were dichotomized into two categories: “completely satisfied” (7) and “not completely satisfied” (1–6). “Not completely satisfied”    was the referent group
  3. • Self-rated health was dichotomized into two categories: “excellent” (7) and “not excellent” (1–6). “Not excellent” was the referent group
  4. • Model I investigates the individual PS items controlling for self-rated health, treatment history, stage at diagnosis and age
  5. • Model II investigates the overall PS item controlling for self-rated health, treatment history, stage at diagnosis and age