Table 2. Contingency tables of the assessment of the respiratory rate of the GP compared with the reference measurement at a cut-off of 22 breaths per minute (A), GP counted respiratory rate at least 15 seconds, and (B) Estimated respiratory rate by the GP
Reference measurementTotal
≥22 per minute<22 per minute
A. Counted by GP≥22 per minute12012
<22 per minute21921
B. Estimated by GP≥22 per minute9110
<22 per minute122638