Table 2

2×2 table data

	All patients	Ambulance	Self-presenting	Children	Adults	Adults arriving by ambulance	Resuscitation
True positive	404	283	121	65	339	251	132
False negative	202	85	117	50	152	70	14
False positive	341	163	178	58	283	148	30
True negative	1901	357	1544	485	1416	311	22