Table 2.

Overall MIG Results, Segmented by Etiology of Vitreous Hemorrhage

Mean MIG Results for Graders 1 & 2
	Etiology	MIG	σ	Range
Mean MIG in VH (N: 113): 54.69 db σ: 10.52 Range: 36–85 db	PDR (n: 89)	55 dB	11	36-85 dB
	OT (n: 6)	53 dB	13	38-65 dB
	HPVD (n: 6)	59 dB	9	46-70 dB
	RVO (n: 5)	54 dB	9	47-69 dB
	SCH (n: 4)	45 dB	6	37-50 dB
	RMA (n: 2)	50 db	17	38-63 dB
PO IOL Fix (n: 1)	58 db	-	-

Abbreviations: MIG, minimum image gain; VH, vitreous hemorrhage; dB, decibels; σ, standard deviation; PDR, proliferative diabetic retinopathy; OT, ocular trauma; HPVD, hemorrhagic posterior vitreous detachment; RMA, retinal macroaneurysm; SCH, suprachoroidal hemorrhage; CRVO, central retinal vein occlusion; PO IOL Fix, postoperative intraocular lens fixation.