Table 3

Regression coefficients and odds ratios for the statistical prognostic model for persistent shoulder pain

Statistical model

Predictors

category

β (SE)

OR (95% CI)


Sporting injury

yes

-1.228 (0.499)

0.29 (0.11 - 0.79)

Longer symptom duration

<6 weeksa

6-11 weeks

0.514 (0.253)

1.67 (1.01 - 2.75)

>11 weeks

0.922 (0.230)

2.51 (1.60 - 3.96)

Coexisting lower back pain

yes

0.915 (0.233)

2.50 (1.57 - 3.96)

Bilateral shoulder pain

yes

0.706 (0.298)

2.03 (1.12 - 3.65)

Inability to perform daily activities

0 daysa

1-30 days

-0.552 (0.220)

0.57 (0.37 - 0.98)

1-12 months

-0.431 (0.342)

0.65 (0.33 - 1.29)

Coexisting upper extremity pain

yes

0.340 (0.204)

1.40 (0.94 - 2.10)

intercept

-0.770 (0.201)


B = regression coefficient estimate

SE = standard error of regression coefficient estimate

OR = odds ratio

95% CI = 95% confidence interval for the odds ratio

a reference category

Vergouw et al. BMC Family Practice 2011 12:63   doi:10.1186/1471-2296-12-63

Open Data