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Table 4 Correlation coefficients for the relative frequency of best practice indicator results

From: Concordance and robustness of quality indicator sets for hospitals: an analysis of routine data

   3 M HELIOS 3 M PSI SP Mort SP LOS
3 M HELIOS Coefficient   0.372 (-0.336-0.812) 0.576 (-0.084-0.885) 0.310 (-0.397-0.786)
  Sig. (2-sided)   0.290 0.082 0.383
3 M PSI Coefficient    0.646 (0.028-0.907) 0.669 (0.068-0.914)
  Sig. (2-sided)    0.043 0.034
SP Mort Coefficient     0.488 (-0.204-0.855)
  Sig. (2-sided)     0.153
SP LOS Coefficient     
  Sig. (2-sided)     
  1. The four groups consist of 10 hospitals each.
  2. 95% confidence interval in parentheses.