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. 2015 Nov 30;65(641):e806–e812. doi: 10.3399/bjgp15X687841

Figure 2.

Figure 2.

Relationship between the averaged number of weekly surgery hours recorded in the telephone survey and NHS Choices data, and the difference between the datasets. Number of practices = 268. Difference in weekly surgery hours = number of hours in NHS Choices data – number of hours in telephone survey data. Pearson correlation coefficient, r = 0.34 (95% CI = 0.23 to 0.44). Solid line represents the predictions from a linear regression of the difference in the number of surgery hours on the averaged number of surgery hours. Dashed line represents perfect agreement between data sources.