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Table 1 Regression analysis on simulation results

From: Ranking hospital performance based on individual indicators: can we increase reliability by creating composite indicators?

Variable

Estimate

Standard error

P-value

Intercept

−0.057

0.026

0.0341

Rankability of indicator 1 (prevalence = 5%)

0.382

0.281

0.1813

Rankability of indicator 2 (prevalence = 10%)

0.074

0.377

0.8455

Rankability of indicator 3 (prevalence = 25%)

0.603

0.188

0.0025

1000 patients per hospital (vs. 500 patients)

−0.001

0.011

0.9290

Correlation of random effects

0.293

0.011

<  0.0001