Table 1

Summary data on height (cm) for male and female patients with homozygous sickle cell disease

Age (years)		Boys				Girls
Age (years)		n	Mean			SD	n	Mean	SD
0	154	50.0	2.7		142	49.6	2.4
1	139	74.0	2.6		128	73.4	2.7
2	133	84.2	3.0		117	83.7	3.0
3	135	92.5	3.2		110	92.5	3.6
4	117	99.5	3.8		110	99.7	3.9
5	122	105.8	4.2		112	106.3	4.5
6	122	111.8	4.6		107	112.1	4.8
7	115	117.1	5.0		110	117.9	5.0
8	114	122.4	5.2		105	123.2	5.1
9	110	126.8	5.6		103	128.1	5.4
10	104	131.3	5.8		101	132.7	5.8
11	106	136.5	6.2		96	137.3	6.5
12	103	140.2	6.4		99	142.3	7.2
13	102	144.5	6.8		93	147.9	8.1
14	94	149.6	7.7		86	153.2	8.0
15	78	154.8	9.0		65	158.2	6.6
16	67	160.0	10.3		58	162.5	6.4
17	53	165.7	10.2		47	164.3	6.7
18	41	169.2	8.7		40	165.0	7.3
19	32	171.1	7.5		27	165.0	6.3