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Table 4 Individual hospitals ability to accurately capture super-utilizers. C-statistics with 95% Confidence interval based on an individual patient’s maximum use at a single hospital

From: Super fragmented: a nationally representative cross-sectional study exploring the fragmentation of inpatient care among super-utilizers

  One Hospital 2 or More Hospitals Total
3 or more encounters 0.968 (0.967 to 0.968) 0.746 (0.745 to 0.749) 0.911 (0.910 to 0.912)
4 or more encounters 1.0 (Reference) 0.681 (0.679 to 0.682) 0.814 (0.813 to 0.815)
Length of Stay > 95 percentile 0.875 (0.874 to 0.877) 0.737 (0.735 to 0.738) 0.820 (0.819 to 0.821)
Yearly Cost > 95 percentile 0.788 (0.786 to 0.790) 0.667 (0.666 to 0.669) 0.738 (0.737 to 0.739)