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Table 2 Results from the DiD analyses based on entropy balancing

From: The effects of competition and bundled payment on patient reported outcome measures after hip replacement surgery

Outcomes

Unadjusted

Adjusted

DiD estimate

Std. Err.

DiD estimate

Std. Err.

One-year follow-up

 Gain EQ-5D_index

−0.004

0.017

−0.003

0.011

 Gain Health_VAS

−0.202

1.129

−0.203

0.688

 Reduction Pain_VAS

0.195

1.751

0.073

0.991

 Satisfaction_VAS

0.320

1.296

0.310

1.366

Six-years follow-up

 Gain EQ-5D_index

0.011

0.015

0.012

0.010

 Gain Health_VAS

1.317

1.575

1.238

1.455

 Reduction Pain_VAS

0.715

1.747

0.650

0.974

 Satisfaction_VAS

0.437

1.150

0.431

1.159

  1. Notes: None of the estimates are statistically significant. DiD difference-in-difference, Std. err. standard error