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Table 3 Simple and multiple logistic regression models predicting ultrasound and MRI agreement

From: Development of supraspinatus imaging guidance for primary care physicians with a focus on patient selection

Predictors, simple regression

OR

95% CI

p-value

Age, years

0.975

0.937, 1.014

0.21

Age (reference: < 50 years)

0.48

0.22, 1.07

0.07

Sex (reference: female)

1.29

0.55, 3.0

0.56

Laterality (reference: right)

2.3

1.05, 5.3

0.04

Ultrasound finding (reference: intact)

 Incomplete teara

0.35

0.15, 0.83

0.02

 Full thickness

7.9

0.93, 67.4

0.06

Predictors, multiple regression

 Age (reference: < 50 years)

0.36

0.15, 0.88

0.03

Ultrasound finding (reference: intact)

 Incomplete teara

0.30

0.12, 0.74

0.009

 Full thickness

10.2

1.16, 89.7

0.04

  1. MRI magnetic resonance imaging, OR odds ratio, CI confidence interval
  2. aPartial thickness tear or full-thickness tear, but focal