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Table 7 Hazard ratio for overall mortality

From: Early postoperative mortality after simultaneous or staged bilateral primary total hip arthroplasty: an observational register study from the swedish Hip arthroplasty register

 

Crude

Adjusted

 

HR

CI (95%)

p

HR

CI (95%)

p

Time interval

      

Simultaneous

0.6

0.5-0.6

<0.001

0.9

0.8-1.0

0.089

≤6 months

0.8

0.7-0.8

<0.001

0.9

0.9-1.0

0.0|32

7-12 months

0.8

0.8-0.8

<0.001

0.9

0.9-1.0

0.007

>12 months (ref)a

1.0

-

-

1.0

-

-

Sex

      

Male

1.0

-

-

1.0

-

-

Female

0.8

0.8-0.8

<0.001

0.2

0.1-0.2

<0.001

Age

      

<50

0.2|

0.2-0.3

<0.001

0.2

0.1-0.2

<0.001

50-59

0.3

0.3-0.4

<0.001

0.4

0.3-0.4

<0.001

60-75 (ref)

1.0

-

-

-

-

-

>75

3.1

3.0-3.3

<0.001

3.2

3.1-3.4

<0.001

Fixation

      

Cemented (ref)

1.0

-

-

-

-

-

Uncemented

0.3

0.2-0.3

<0.001

0.7

0.6-0.8

<0.001

Otherb

0.3

0.3-0.4

<0.001

0.7

0.6-0.7

<0.001

Diagnoses

      

OA (ref)

1.0

-

-

1.0

-

-

RA

1.2

1.1-1.3

<0.001

2.2

2.0-2.4

<0.001

Otherc

0.7

0.6-0.8

<0.001

1.5

1.3-1.7

<0.001

  1. Adjustment for sex, age, diagnosis, and type of prosthesis fixation.
  2. aRef: reference.
  3. bHybrid, reversed hybrid and resurfacing.
  4. cSequelae from childhood hip disease, idiopathic femoral head necrosis, secondary OA.
  5. Number of events 8267.
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BMC Musculoskeletal Disorders

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