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Table 4 IAA precision, recall and F1 for entities including numbers of true positives (TP), false positives (FP) and false negatives (FN)

From: Text mining brain imaging reports

TypeTPFPFNPrecisionRecallF1
Entities      
ischaemic stroke4539298.0599.5698.80
haemorrhagic stroke26420392.9698.8895.83
stroke (unknown type)2501100.0096.1598.04
tumour:meningioma800100.00100.00100.00
tumour:metastasis1200100.00100.00100.00
tumour1652198.8099.4099.10
subdural haematoma10932077.30100.0087.20
small vessel disease26915794.7297.4696.07
atrophy14714691.3096.0893.63
microhaemorrhage1000100.00100.00100.00
subarachnoid haemorrhage93175.0090.0081.82
haemorrhagic transformation22050.00100.0066.67
time:old3149797.2197.8297.52
time:recent35400100.00100.00100.00
loc:cortical4105298.8099.5199.15
loc:deep321172294.9793.5994.27
TOTAL28721285295.7398.2296.96