Table 1.

Score chart for the complete cell blood count (CBC) model

Category	Points	Category	Points
Age		Eosinophils
<45	0	0.15	63
≥45	36	0.2	50
Hb		0.25	38
9	0	0.3	25
10	2	0.35	13
11	4	0.4	0
12	6	Platelets
13	9	<180	17
14	11	≥180	0
15	13	Monocytes
16	15	<0.7	12
MCV		>0.7	0
<90	19	Basophils
≥90	0	0.01	17
RDW.CV		0.02	14
<14.5	12	0.03	12
≥14.5	0	0.04	10
Eosinophils		0.05	7
0	100	0.06	5
0.05	88	0.07	2
0.1	75	0.08	0
Total points	Predicted probability of positive test
133		1%
153		5%
162		10%
172		20%
179		30%
181		33%
184		40%
189		50%
194		60%
200		70%
207		80%
217		90%
226		95%

Hb = hemoglobin; MCV=mean corpuscular volume.