Table 2

Summary of corneal endothelial studies in children

Ref No	Year	Age of children	ECD (cells/mm²)	Range of ECD values (cells/mm²)	Percentage six sided cells (“% hexagons”)
Infants
14	1986	3–21 days	6100
15	1987	<12 months	4425	3450–5600
16	1988	<12 months	4252	3000–5700
36	1989	<12 months	4291	3547–5305	82 (4.5) (X (SD))
19	1992	>5 weeks	5200	3800–5700
Children
9	1976	6 years (case)	3015
1	1976	6–11 years	3150	2950–3250
10	1978	3–11 years	4300
11	1979	5–9 years	2681	1640–3869
30	1979	3–6 years	3750	3000–4000
35	1980	0–10 years	4000
31	1981	11–16 years	3080	2247–3769
3	1982	0–9 years	3470
25	1984	0– 10 years	no ECD		73–75
33	1985	2 years (mean)	3100
34	1987	3 months–14 years	3001	2300–3700
15	1987	4–12 years	3268	2658–3638
26	1988	5–10 years	no ECD		80–85
36	1989	5–11 years	3581	3067–4171	82 (5.5) (X (SD))
17	1990	5–14 years	3160	2597–3981
19	1992	0–5 years	4800	3800–5800
29	1992	<10 years	3491		88.4 (4.5) (X (SD))
20	1997	6 months–10 years	4600	3400–4750
5	1999	6–10 years	4126	3349–5316
This study	1999	5–11 years	3987	2627–5316	66.6 (8.8) (X (SD))

↵These ECD estimates were obtained by using the authors' own scaling factor (×210) to change counts/cornea into cells/mm².
↵From regression analysis.
↵Postmortem, histological study.