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Table 2 Total Amount of Oral Morphine Equivalents by Post - Total Hip Arthroplasty Period and by Revision Status (1 and 5 Years), 2001–2012

From: Opioid use after total hip arthroplasty surgery is associated with revision surgery

 

Oral Morphine Equivalent

Amount

(mg range)

Revised within 1 Year

Revised within 5 Years

No

Yes

No

Yes

N

(%)

N

(%)

N

(%)

N

(%)

Days 1 - 90

 

Total N

 

9743

98.0

200

2.0

9530

95.8

413

4.2

OME Quartiles

No Opioid

6108

62.7

109

54.5

5986

62.8

231

55.9

 

Low (<150)

639

6.6

14

7.0

620

6.5

33

8.0

 

Medium-low (150–349.9)

1192

12.2

25

12.5

1167

12.3

50

12.1

 

Medium-high (350–839.9)

920

9.4

27

13.5

902

9.5

45

10.9

 

High (≥840)

884

9.1

25

12.5

855

9.0

54

13.1

Days 91-180a

 

Total N

 

9648

99.1

87

0.9

9435

96.9

300

3.1

OME Quartiles

No Opioid

7793

80.8

57

65.5

7633

80.9

217

72.3

 

Low (<116.5)

453

4.7

3

3.5

438

4.6

18

6.0

 

Medium-low (116.5-399.9)

484

5.0

7

8.1

476

5.1

15

5.0

 

Medium-high (400–1119.9)

487

5.1

10

11.5

471

5.0

26

8.7

 

High (≥1120)

431

4.5

10

11.5

417

4.4

24

8.0

Days 181-270a

 

Total N

 

9586

99.5

52

0.5

9373

97.3

265

2.7

OME Quartiles

No Opioid

7822

81.6

34

65.4

7654

81.7

202

76.2

 

Low (<116.5)

449

4.7

4

7.7

438

4.7

15

5.7

 

Medium-low (116.5-399.9)

442

4.6

6

11.5

432

4.6

16

6.0

 

Medium-high (400–1199.9)

450

4.7

4

7.7

438

4.7

16

6.0

 

High (≥1200)

423

4.4

4

7.7

411

4.4

16

6.0

Days 271-360a

 

Total N

 

9528

99.7

24

0.3

9315

97.5

237

2.5

OME Quartiles

No Opioid

7767

81.5

14

58.3

7607

81.7

174

73.4

 

Low (<95)

456

4.8

1

4.2

444

4.8

13

5.5

 

Medium-low (95–399.9)

447

4.7

2

8.3

432

4.6

17

7.2

 

Medium-high (400–1216.7)

445

4.7

4

16.7

432

4.6

17

7.2

 

High (≥1216.8)

413

4.3

3

12.5

400

4.3

16

6.8

  1. OME=oral morphine equivalents
  2. aPatients with revisions or who died in the previous quarter were removed from denominator. In days 91–180 207 were removed (41 were revised and died, 94 died only, and 72 were revised only). In days 181–270 97 were removed (12 were revised and died, 62 died only, 23 were revised only). In days 271–360 86 were removed (12 were revised and died, 58 died only, and 16 were revised only)