Clinical outcome | Spearman ρ for NHS Choices rating and clinical outcome associations | Spearman ρ for NHS Inpatient Survey rating and clinical outcome associations | Z score for comparison of correlation coefficients | p Value |
Hospital standardised mortality ratio | −0.20 | −0.16 | −0.35 | 0.73 |
Standardised mortality rate for high risk conditions | −0.23 | −0.07 | −1.39 | 0.16 |
Emergency readmission rate within 28 days | −0.31 | −0.25 | −0.55 | 0.58 |
NHS, National Health Service.