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Table 4 Variance inflation factors (VIFs)*

From: Patients’ mobility as an indicator for (in)efficiency:a panel data analysis on Italian health care authorities

OBTB

5.368

DummyOVER

1.474

DummyUNDER

4.520

OBPOP

2.716

MEDPERS

4.383

OTHPERS

2.375

PHARM

2.606

TOTPROD

3.927

  1. * Two-tails p-values.