Table 2. Conversion risk based on first... | American Society of Hematology

Table 2.

Conversion risk based on first 2 TCD examinations

TCD history	No. children (% of total)	Converters (% of each group)
Normal
To normal	370 (56.3)	5 (1.4)
To low conditional	54 (8.2)	5 (9.2)
To high conditional	10 (1.5)	4 (40)
Low conditional
To normal	80 (12.2)	5 (6.2)
To low conditional	63 (9.6)	12 (19)
To high conditional	29 (4.4)	14 (48)
High conditional
To normal	19 (2.9)	4 (21)
To low conditional	21 (3.2)	6 (29)
To high conditional	11 (1.7)	6 (55)

TCD history	No. children (% of total)	Converters (% of each group)
Normal
To normal	370 (56.3)	5 (1.4)
To low conditional	54 (8.2)	5 (9.2)
To high conditional	10 (1.5)	4 (40)
Low conditional
To normal	80 (12.2)	5 (6.2)
To low conditional	63 (9.6)	12 (19)
To high conditional	29 (4.4)	14 (48)
High conditional
To normal	19 (2.9)	4 (21)
To low conditional	21 (3.2)	6 (29)
To high conditional	11 (1.7)	6 (55)

See Table 1 for definition of converters.

* The proportion of converters is not equal across all groups (P < .0001).