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Table 3 Length of stay in days before and after the reform

From: It probably worked: a Bayesian approach to evaluating the introduction of activity-based hospital payment in Israel

Procedure

N

Overall

Before reform (2005–2013)

After reform (2014–2016)

p value

Mean

S.E

Mean

S.E

Mean

S.E

General surgery

        

Open abdom. hernia rep

2549

3.021

0.042

3.167

0.076

2.623

0.068

 < 0.001

Lap. abdom. hernia rep

5628

2.848

0.027

2.884

0.049

2.759

0.046

0.063

Lap. diaphragm. hernia rep

1248

4.796

0.087

4.937

0.117

4.642

0.106

0.062

Anti-reflux surgery

2608

13.375

0.316

13.463

0.605

13.113

0.548

0.668

Open splenect

4451

13.218

0.127

13.597

0.237

12.190

0.226

 < 0.001

Urology

        

Perct. nephrostomy

5361

6.035

0.030

6.344

0.046

5.312

0.041

 < 0.001

Open part. nephrectomy

2921

6.849

0.046

7.143

0.080

6.128

0.072

 < 0.001

Lap. part. nephrect

1245

5.920

0.052

6.333

0.064

5.189

0.060

 < 0.001

Open complete nephrect

6832

8.322

0.049

8.647

0.090

7.445

0.089

 < 0.001

Lap. complete nephrect

1161

6.590

0.074

6.712

0.150

6.273

0.144

0.035

Diag. ureterosc

8133

3.550

0.018

3.764

0.029

3.111

0.026

 < 0.001

Therap. ureterosc

21,517

3.368

0.009

3.493

0.013

3.190

0.011

 < 0.001

Gynecology

        

Lap. salpingect

5680

2.665

0.010

2.650

0.017

2.698

0.017

0.045

Lap. salp. -oophorect

13,984

2.935

0.009

2.964

0.014

2.880

0.013

 < 0.001

Overall

83,318

4.863

0.017

5.167

0.025

4.264

0.024

 < 0.001

  1. Average LoS for the full period and separately for the pre- and post-reform. The p-value column reports the p-value for a two-sided t-test of no difference between pre- and post-reform (\(\Delta {\text{LoS}} \ne 0\))