Factors That Influence Refractive Changes in the First Year of Myopia Development in Premature Infants

Table 2

SE of different genders.

Postmenstrual age	Males		Females		t
		SE (D)		SE (D)
36 w	243	+1.18 ± 2.12	194	+1.04 ± 2.08	0.67	0.505
38 w	234	+1.88 ± 1.94	177	+1.87 ± 1.82	0.10	0.920
40 w	193	+2.65 ± 1.73	189	+2.91 ± 1.73	1.46	0.145
42 w	121	+3.41 ± 1.97	92	+3.13 ± 1.48	1.16	0.246
44 w	75	+3.75 ± 1.56	69	+3.43 ± 1.62	1.21	0.229
46 w	79	+3.82 ± 1.74	58	+3.36 ± 1.77	1.51	0.133
48 w	62	+3.42 ± 1.48	40	+3.36 ± 1.41	0.18	0.855
3 m	85	+3.19 ± 1.60	61	+2.95 ± 1.59	0.89	0.376
6 m	119	+2.17 ± 1.58	80	+2.39 ± 1.87	0.92	0.359
9 m	44	+0.92 ± 0.99	25	+1.79 ± 1.33	3.10	0.003
12 m	42	+0.31 ± 0.96	25	+1.19 ± 1.16	3.34	0.001

SE, spherical equivalent; , weeks; m, months; , number of eyes; D, diopter.