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Table 2 Change in administration of recommended prophylaxis by hospital and service across the three study time periods

From: Effectiveness of a novel and scalable clinical decision support intervention to improve venous thromboembolism prophylaxis: a quasi-experimental study

Hospital

Discharge service

Period 1

Period 2

Period 3

P-value

Hospital A

Medicine

5,614 (36.7%)

10,623 (46.2%)

6,491 (54.6%)

<0.01

 

Ortho/Trauma

659 (32.1%)

1,215 (35.2%)

746 (40.1%)

<0.01

 

Other Surgery

4,372 (25.1%)

10,856 (42.9%)

6,096 (52.5%)

<0.01

 

All

10,645 (30.6%)

22,694 (43.9%)

13,333 (52.5%)

<0.01

Hospital B

Medicine

3,460 (35.6%)

6,648 (45.7%)

3,661 (53.2%)

<0.01

 

Ortho/Trauma

690 (34.5%)

1,323 (42.9%)

709 (44.1%)

<0.01

 

Other Surgery

584 (30.8%)

1,393 (50.4%)

771 (58.6%)

<0.01

 

All

4,734 (34.8%)

9,364 (45.9%)

5,141 (52.4%)

<0.01

Hospital C

Medicine

581 (7.8%)

4,897 (47.0%)

3,411 (61.0%)

<0.01

 

Ortho/Trauma

2,052 (57.0%)

2,797 (56.3%)

1,390 (58.9%)

0.10

 

Other Surgery

1,005 (9.3%)

4,265 (28.7%)

2,847 (39.3%)

<0.01

 

All

3,638 (16.6%)

11,959 (39.5%)

7,648 (50.3%)

<0.01

Overall

Medicine

9,655 (29.7%)

22,168 (46.2%)

13,563 (55.6%)

<0.01

 

Ortho/Trauma

3,401 (44.4%)

5,335 (46.4%)

2,845 (48.8%)

<0.01

 

Other Surgery

5,961 (19.8%)

16,514 (38.5%)

9,714 (48.2%)

<0.01

 

All

19,017 (27.1%)

44,017 (43.0%)

26,122 (51.9%)

<0.01