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Table 2 Univariate associations

From: Clinical, socio-demographic and radiological predictors of short-term outcome in rotator cuff disease

   

SPADI Univariate linear regression

Global assessment score Univariate logistic regression

Variable

value*

missing, n

beta

95% CI

p-value

OR

95% CI

p-value

Age, mean (SD)

51 (11)

0

-0.3

-0.8 to 0.1

0.10

1.03

0.99 to 1.07

0.08

Gender, female

63

0

7.0

-2.4 to 16.3

0.14

1.08

0.48 to 2.40

0.86

Education More than 12 years

42

1

1.4

-8.1 to 10.9

0.78

0.91

0.41 to 2.05

0.83

On sick leave

30

0

14.0

4.3 to 23.8

0.01

0.34

0.13 to 0.89

0.03

Duration of complaints, 3-6 months vs.

30

       

6-12 months

32

 

4.6

-7.4 to 16.7

0.45

0.69

0.25 to 1.91

0.47

12-24 months

17

 

0.5

-13.9 to 14.8

0.95

0.92

0,27 to 3,06

0.88

more than 24 months

25

0

4.0

-8.9 to 16.8

0.54

1.03

0,35 to 3,00

0.96

Precipitating cause, unknown vs

45

       

minor trauma

14

 

-11.2

-25.1 to 2.7

0.11

6.15

1.63 to 23.19

0.07

Overuse

43

2

-3.0

-13.4 to 7.3

0.56

1.77

0.73 to 4.29

0.21

Previous episodes of shoulder pain

68

0

6.7

-3.2 to 16.5

0.18

1.06

0.46 to 2.47

0.88

Concomitant neck pain

64

0

0.4

-9.1 to 9.9

0.93

1.03

0.46 to 2.29

0.95

Dominant side affected

67

0

9.1

-0.33 to 18.59

0.058

0.50

0.22 to 1.12

0.09

Baseline SPADI score, mean (SD)

52 (18)

0

0.57

0.34 to 0.81

0.001

0.98

0.96 to 1.01

0.16

Baseline pain in activity, mean (SD)

6.2 (1.5)

0

4.7

1.8 to 7.6

0.002

0.82

0.63 to 1.07

0.14

Regular pain medication

33

0

13.3

3.8 to 22.9

0.007

0.53

0.22 to 1.27

0.16

Previous corticosteroid

42

0

-5.0

-14.4 to 4.3

0.29

2.30

1.03 to 5.20

0.04

Bilateral shoulder complaint

17

0

1.3

-11.2 to 13.7

0.84

1.84

0.65 to 5.24

0.25

Active abduction, mean degrees (SD)

118 (33)

0

-0.21

-0.34 to 0.07

0.03

1.02

1.00 to 1.03

0.02

Impingement test, positive

52

0

-15.4

-24.3 to -6.5

0.001

1.99

0.89 to 4.40

0.09

Rotator cuff, normal versus

30

       

tendinopathy

44

 

-7.0

-18.1 to 4.1

 

0.83

0.32 to 2.20

0.71

partial rupture

22

 

-7.6

-20.6 to 5.5

0.25

1.25

0.41 to 3,80

0.69

full-thickness rupture

10

0

-17.3

-34.3 to 0.3

0.05

1.50

0.36 to 6.32

0.58

Calcification

25

0

5.0

-5.7 to 15.8

0.36

0.98

0.39 to 2.45

0.96

Bursal exudation

54

2

-2.0

-11.4 to 7.4

0.68

0.82

0.37 to 1.80

0.62

Bursal thickening

64

2

-2.3

-12.0 to 7.4

0.64

0.94

0.42 to 2.12

0.88

Treatment group, local corticosteroid

52

0

-3.0

-12.2 to 6.2

0.52

2.49

1.11 to 5.60

0.03

Distress

28

8

7.4

-3.0 to 17.8

0.16

0.79

0.32 to 1.98

0.62

Positive outcome expectations

67

6

2.3

-8.0 to 12.6

0.66

0.94

0,83 to 1.07

0.35

Self-efficiency for pain, mean (SD)

15.2 (4.6)

5

0.9

-0.2 to 1.9

0.1

0.92

0.84 to 1.01

0.08

  1. * numbers of subjects unless stated otherwise.
  2. Univariate associations between socio-demographic, clinical and radiological variables and outcome measured by SPADI (linear regression) and global assessment score (excellent or good vs. moderate or poor) (logistic regression) measured six weeks after corticosteroid injection therapy.