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. 2021 Nov 15;8(1):e001121. doi: 10.1136/bmjresp-2021-001121

Table 4.

Calibration example situation A

Situation A
(i) Incorrect ‘fail’
 Previous Current % Diff
 1.077 1.023 −5.0%
(ii) Correct ‘pass’ but unnecessary
 Previous Current % Diff
 1.023 1.021 −0.2%