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Table 3 Associations among experience-related variables in the 21 radiologists routinely interpreting mammograms and sensitivity, specificity and overall accuracy (multivariate analysis).

From: Association between Radiologists' Experience and Accuracy in Interpreting Screening Mammograms

Ā 

Sensitivity

Specificity

Accuracyā€ 

Ā 

Adj. OR

95% CI

P

Adj. OR

95% CI

P

Adj. OR

95% CI

P

Annual volume of mammogram Reading

Ā Ā Ā Ā Ā Ā Ā Ā Ā 

ā€ƒā€ƒā€ƒMore than 5,000 mammograms

0.93

(0.56 to 1.54)

0.780

1.15

(0.98 to 1.35)

0.090

1.06

(0.90 to 1.25)

0.450

ā€ƒā€ƒā€ƒLess than 5,000 mammograms

1.00

(reference)

Ā 

1.00

(reference)

Ā 

1.00

(reference)

Ā 

Feedback

Ā Ā Ā Ā Ā Ā Ā Ā Ā 

ā€ƒā€ƒā€ƒYes

0.98

(0.43 to 2.27)

0.957

1.37

(1.03 to 1.85)

0.029

1.19

(0.89 to 1.56)

0.243

ā€ƒā€ƒā€ƒNo

1.00

(reference)

Ā 

1.00

(reference)

Ā 

1.00

(reference)

Ā 

Percentage of time spent on breast radiology

Ā Ā Ā Ā Ā Ā Ā Ā Ā 

ā€ƒā€ƒā€ƒLess than 25%

0.70

(0.36 to 1.37)

0.295

1.49

(1.18 to 1.89)

0.001

1.10

(0.87 to 1.38)

0.438

ā€ƒā€ƒā€ƒMore than 25%

1.00

(reference)

Ā 

1.00

(reference)

Ā 

1.00

(reference)

Ā 

Years of practice reading mammograms

Ā Ā Ā Ā Ā Ā Ā Ā Ā 

ā€ƒā€ƒā€ƒLess than 10 years

1.40

(0.84 to 2.34)

0.193

1.04

(0.89 to 1.21)

0.640

1.14

(0.97 to 1.34)

0.102

ā€ƒā€ƒā€ƒMore than 10 years

1.00

(reference)

Ā 

1.00

(reference)

Ā 

1.00

(reference)

Ā 

Do the radiologist usually consult with other radiologists when reading?

Ā Ā Ā Ā Ā Ā Ā Ā Ā 

ā€ƒā€ƒā€ƒYes

0.61

(0.29 to 1.30)

0.202

1.04

(0.84 to 1.28)

0.717

0.89

(0.71 to 1.11)

0.300

ā€ƒā€ƒā€ƒNo

1.00

(reference)

Ā 

1.00

(reference)

Ā 

1.00

(reference)

Ā 

Radiologist' age

Ā Ā Ā Ā Ā Ā Ā Ā Ā 

ā€ƒā€ƒā€ƒMore than 45

0.56

(0.31 to 1.01)

0.053

1.33

(1.12 to 1.59)

0.001

1.00

(0.83 to 1.19)

0.971

ā€ƒā€ƒā€ƒLess than 45

1.00

(reference)

Ā 

1.00

(reference)

Ā 

1.00

(reference)

Ā 
  1. Adj. OR: Adjusted odds-ratio; 95% CI: 95% confidence interval; P: Chi-square probability
  2. ā€  Correct diagnosis of both cancer and absence of cancer on recalling women for additional investigations.