Analysis of Current Status and Strategies of Retinopathy of Prematurity Screening during 6 Years in Local Regions of China: Implication and Caution

Table 3

Summary of results from the last examination.

	Number of cases	PMA of last examination (weeks)	Frequency of examination
Mild ROP	407	43.15 ± 6.21 (33.00~91.29)	2.03 ± 1.35 (1~7)
Severe ROP	88	40.64 ± 9.74 (32.00~112.57)	1.51 ± 0.98 (1~6)
Degenerative/scar ROP	52	58.46 ± 13.07 (39.00 ± 106.43)	3.46 ± 1.72 (1~9)
Not vascularization	329	36.86 ± 2.14 (31.43~49.57)	1.08 ± 0.30 (1~3)
Normal	4703	42.74 ± 5.78 (34.14~176.00)	1.27 ± 0.70 (1~9)
Unclear observation in peripheral fundus	51	38.82 ± 2.74 (34.14~44.86)	1.08 ± 0.27 (1~2)
FEVR (misdiagnosed as ROP at first)	2	96.36 ± 66.97 (49.00~143.71)	1.50 ± 0.71 (1~2)

ROP, retinopathy of prematurity; FEVR, familial exudative vitreoretinopathy; PMA, postmenstrual age.