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Table 6 Risks of surgically treated CTS associated with different numbers/combinations of biomechanical risk factors (use of vibratory tools; forceful hand/wrist movements; frequent repetitive hand/wrist movements; uncomfortable hand postures; frequent pinching actions; skin compression) among non-retired subjects

From: Risk factors for operated carpal tunnel syndrome: a multicenter population-based case-control study

   

Univariate

Multivariate*

 

Cases

(n = 191)

Controls

(n = 286)

OR

(95% CI)

OR

(95% CI)

No risk factor†

82

215

1.0

1.0

1 risk factor

48

42

3.0 (1.8-4.9)

2.8 (1.6-4.8)

   Either force or frequency

41

33

3.3 (1.9-5.6)

3.2 (1.7-5.8)

   Any other factor

7

9

2.0 (0.7-5.7)

1.4 (0.5-4.6)

2 risk factors

23

9

6.7 (2.9-15.6)

7.1 (2.9-17.4)

   Any 2 factors from: force, frequency and posture

15

4

9.8 (3.0-31.9)

10.3 (3.0-35.1)

   Other combinations (of 2 risk factors)

8

5

4.2 (1.3-13.4)

4.0 (1.1-14.8)

3-4 risk factors

31

17

4.8 (2.4-9.3)

4.5 (2.1-9.3)

   At least 3 factors from: force, frequency, posture and compression

16

3

14.0 (3.7-52.2)

14.9 (3.9-57.6)

   Other combinations (of 3 or 4 risk factors)

15

14

2.8 (1.3-6.1)

2.2 (0.9-5.5)

5-6 risk factors

7

3

6.1 (1.5-24.8)

5.0 (1.1-22.6)

  1. *The results derive from two separate multivariate unconditional logistic regression models (evaluating numbers/combinations of risk factors). Each model was adjusted for the individual factors entered in the multivariate model reported in Table 1 (ie BMI, height, alcohol, family history of CTS, rheumatoid arthritis, trigger finger and diabetes mellitus), as well as age, gender and center.
  2. †Reference category.
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BMC Public Health

ISSN: 1471-2458

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