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Table 4 Usage of diagnostic tests pre and post intervention

From: Collaborating with front-line healthcare professionals: the clinical and cost effectiveness of a theory based approach to the implementation of a national guideline

Tests

Pre intervention

Post intervention

Unit cost per test

First and second line %

First and second line %

pH test

14.1%

49.5%

£10.98

X-ray

60.2%

35.7%

£100

Placed in radiology

7.5%

1.4%

£128

Unknown

18.3%

13.4%

Assumed zero

Total

100.0%

100.0%