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 measurement		Total
		≥22 per minute	<22 per minute	Total
A. Counted by GP	≥22 per minute	12	0	12
	<22 per minute	2	19	21
	Total	14	19	33
B. Estimated by GP	≥22 per minute	9	1	10
	<22 per minute	12	26	38
	Total	21	27	48