BMC Medical Imaging

Table 3 Values assigned to each variable in the nomogram

From: Development of a prediction model for facilitating the clinical application of transcranial color-coded duplex ultrasonography

Variable	Assignment	Score
Sex	female	43
Sex	male	0
Age	50	0
	55	9
	60	18
	65	26
	70	35
	75	44
	80	53
	85	61
	90	70
	95	79
Thickness	< 1.045	0
Thickness	>=1.045	100
Total score	55	ITW probability = 0.1
	75	ITW probability = 0.2
	88	ITW probability = 0.3
	99	ITW probability = 0.4
	109	ITW probability = 0.5
	119	ITW probability = 0.6
	130	ITW probability = 0.7
	143	ITW probability = 0.8
	163	ITW probability = 0.9

Note: Impenetrable temporal window (ITW)

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ISSN: 1471-2342

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