Table 1.

The mean age, birth weight, and gestational age distribution according to age groups and refractive status.

		Age			Birth weight (gram)		Gestational age (week)
		N	Mean	SD	Mean	SD	Mean	SD
Age groups (Patients)	≤7	106	6,29	,806	2422,36	1019,306	35,58	4,431
	8-9	53	8,44	,513	2624,34	838,278	37,25	3,524
	10–12	77	10,91	,843	2865,58	782,759	38,44	2,208
	≥13	46	13,67	1,223	3033,91	875,713	38,61	2,349
	Total	282	9,16	2,846	2681,10	930,792	37,17	3,690
Refractive status (Eyes)	Myopia	91	10,38	2,653	3019,89	799,106	38,23	2,617
	Emmetropia	372	9,20	2,849	2601,42	935,861	36,92	3,895
	Hypermetropia	101	7,92	2,493	2669,31	961,987	37,15	3,601
	Total	564	9,16	2,846	2681,10	930,792	37,17	3,690

N: number; SD: standard deviation.