Table 5. Cumulative event numbers and... | American Society of Hematology

Table 5.

Cumulative event numbers and rates during a 2-year patient follow-up of 4 age groups

	Age at inclusion, y
Type of event	Younger than 2 (n = 10)	2 to 5 (n = 28)	6 to 9 (n = 28)	10 to 19 (n = 26)
Hospitalizations, no.
No.	32	63	113	47
Rate/100 patients-years	160	112	226	90
Hospitalizations, d
No.	224*	296	406	261
Rate/100 patients-years	1120	529	812	502
Vaso-occlusive crisis, 2 or more than 2/y
No.	2	10	9	10
Rate/100 patients-years	10	18	18	19
Acute chest syndrome
No.	0	1	2	0
Rate/100 patients-years	0	1.8	4	0
Cerebrovascular event
No.	1	0	0	0
Rate/100 patients-years	5	0	0	0
Bone necrosis/dactylitis
No.	1	0	0	1
Rate/100 patients-years	5	0	0	1.9
Death
No.	1	0	0	0
Rate/100 patients-years	5	0	0	0
Severe anemia
No.	5	2	0	0
Rate/100 patients-years	25	3.6	0	0

	Age at inclusion, y
Type of event	Younger than 2 (n = 10)	2 to 5 (n = 28)	6 to 9 (n = 28)	10 to 19 (n = 26)
Hospitalizations, no.
No.	32	63	113	47
Rate/100 patients-years	160	112	226	90
Hospitalizations, d
No.	224*	296	406	261
Rate/100 patients-years	1120	529	812	502
Vaso-occlusive crisis, 2 or more than 2/y
No.	2	10	9	10
Rate/100 patients-years	10	18	18	19
Acute chest syndrome
No.	0	1	2	0
Rate/100 patients-years	0	1.8	4	0
Cerebrovascular event
No.	1	0	0	0
Rate/100 patients-years	5	0	0	0
Bone necrosis/dactylitis
No.	1	0	0	1
Rate/100 patients-years	5	0	0	1.9
Death
No.	1	0	0	0
Rate/100 patients-years	5	0	0	0
Severe anemia
No.	5	2	0	0
Rate/100 patients-years	25	3.6	0	0

One child with recurrent splenic sequestrations accounted for 156 days.