Table 2 Dramatic reduction of hospital... | American Society of Hematology

Table 2

Dramatic reduction of hospital admissions, painful crises, and transfusion requirements per year of the study in patients who received HU (data as of June 30, 2008)

Years receiving HU	No. of patients receiving HU	Hospital admissions per year, mean ± SD	Painful crises per year, mean ± SD	Transfusion requirements, mean ± SD of red-cell packs per year
Baseline	131	2.11 ± 2.96	7.34 ± 6.50	1.53 ± 5.92
1	126	0.03 ± 0.19	0.05 ± 0.22	0.22 ± 0.95
2	120	0.04 ± 0.21	0.04 ± 0.20	0.19 ± 0.87
3	109	0.04 ± 0.21	0.03 ± 0.18	0.08 ± 1.54
4	104	0.01 ± 0.13		0
5	97	0.04 ± 0.19	0.03 ± 0.15	0
6	86	0.02 ± 0.15	0	0
7	80	0.05 ± 0.20	0.02 ± 0.15	0.03 ± 0.19
8	76	0.05 ± 0.22	0.02 ± 0.16	0
9	67	0.07 ± 0.26	0.04 ± 0.20	0
10	61	0.05 ± 0.22	0	0
11	56	0.06 ± 0.15	0.01 ± 0.13	0.03 ± 0.18
12	48	0.06 ± 0.24	0.02 ± 0.14	0.04 ± 0.20
13	42	0.04 ± 0.21	0	0
14	33	0.06 ± 0.24	0.03 ± 0.17	0.06 ± 0.34
15	26	0.03 ± 0.19	0.03 ± 0.19	0
16	18	0.05 ± 0.23	0	0
17	12	0	0	0

Years receiving HU	No. of patients receiving HU	Hospital admissions per year, mean ± SD	Painful crises per year, mean ± SD	Transfusion requirements, mean ± SD of red-cell packs per year
Baseline	131	2.11 ± 2.96	7.34 ± 6.50	1.53 ± 5.92
1	126	0.03 ± 0.19	0.05 ± 0.22	0.22 ± 0.95
2	120	0.04 ± 0.21	0.04 ± 0.20	0.19 ± 0.87
3	109	0.04 ± 0.21	0.03 ± 0.18	0.08 ± 1.54
4	104	0.01 ± 0.13		0
5	97	0.04 ± 0.19	0.03 ± 0.15	0
6	86	0.02 ± 0.15	0	0
7	80	0.05 ± 0.20	0.02 ± 0.15	0.03 ± 0.19
8	76	0.05 ± 0.22	0.02 ± 0.16	0
9	67	0.07 ± 0.26	0.04 ± 0.20	0
10	61	0.05 ± 0.22	0	0
11	56	0.06 ± 0.15	0.01 ± 0.13	0.03 ± 0.18
12	48	0.06 ± 0.24	0.02 ± 0.14	0.04 ± 0.20
13	42	0.04 ± 0.21	0	0
14	33	0.06 ± 0.24	0.03 ± 0.17	0.06 ± 0.34
15	26	0.03 ± 0.19	0.03 ± 0.19	0
16	18	0.05 ± 0.23	0	0
17	12	0	0	0

HU indicates hydroxyurea.