Text mining brain imaging reports

Table 6 IAA precision, recall and F1 for labels including numbers of TPs, FPs and FNs

Type	TP	FP	FN	Precision	Recall	F1
Labels
Ischaemic stroke, deep, recent	4	0	0	100	100	100
Ischaemic stroke, deep, old	81	4	4	95.29	95.29	95.29
Ischaemic stroke, cortical, recent	13	3	1	81.25	92.86	86.67
Ischaemic stroke, cortical, old	58	6	3	90.62	95.08	92.8
Ischaemic stroke, underspecified	6	6	6	50	50	50
Haemorrhagic stroke, deep, recent	2	1	0	66.67	100	80
Haemorrhagic stroke, deep, old	4	0	0	100	100	100
Haemorrhagic stroke, lobar, recent	4	0	0	100	100	100
Haemorrhagic stroke, lobar, old	3	0	0	100	100	100
Haemorrhagic stroke, underspecified	9	0	1	100	90	94.74
Stroke, underspecified	14	1	1	93.33	93.33	93.33
Tumour, meningioma	4	0	0	100	100	100
Tumour, metastasis	0	0	0	-	-	-
Tumour, glioma	0	0	0	-	-	-
Tumour, other	2	3	1	40	66.67	50
Small vessel disease	158	3	1	98.14	99.37	98.75
Atrophy	119	9	3	92.97	97.54	95.2
Subdural haematoma	6	0	0	100	100	100
Subarachnoid haemorrhage, aneurysmal	0	0	0	-	-	-
Subarachnoid haemorrhage, other	5	2	1	71.43	83.33	76.92
Microbleed, deep	1	1	0	50	100	66.67
Microbleed, lobar	1	0	0	100	100	100
Microbleed, underspecified	0	0	1	NaN	0	NaN
Haemorrhagic transformation	1	1	0	50	100	66.67
TOTAL	495	40	23	92.52	95.56	94.02

ISSN: 2041-1480