Table 1

Haemoglobin centiles (g/l) in 8, 12, and 18 month old children

Centile		All children			Boys			Girls
Centile		8 months	12 months	18 months		8 months	12 months	18 months		8 months	12 months	18 months
n	1053	900	796		582	498	435		471	402	361
5th	97	100	102		97	99	101		99	101	102
10th	102	105	106		101	104	106		103	106	106
25th	110	112	111		109	111	111		111	112	112
50th	117	118	117		117	118	117		118	118	118
75th	124	124	122		124	124	122		125	125	123
90th	131	130	128		132	130	127		131	131	128
95th	136	134	130		136	133	129		135	135	132
Mean (SD)	116.9 (11.4)	117.5 (10.4)	116.9 (9.5)		116.7 (11.7)	117.3 (10.4)	116.3 (9.6)		117.3 (10.9)	117.9 (10.5)	117.6( 9.5)